Move non-assignment code to post_rules.mk (#14207)

* 40percentclub/ut47: move non-assignment code to post_rules.mk

* converter/palm_usb: move non-assignment code to post_rules.mk

* converter/sun_usb: move non-assignment code to post_rules.mk

* dm9records/ergoinu: move non-assignment code to post_rules.mk

* ergotaco: move non-assignment code to post_rules.mk

* handwired/symmetric70_proto: move non-assignment code to post_rules.mk

* hhkb/ansi: move non-assignment code to post_rules.mk

* hhkb/jp: move non-assignment code to post_rules.mk

* lfkeyboards/lfk78: move non-assignment code to post_rules.mk

* lfkeyboards/lfk87: move non-assignment code to post_rules.mk

* lfkeyboards/lfkpad: move non-assignment code to post_rules.mk

* lfkeyboards/mini1800: move non-assignment code to post_rules.mk

* manta60: move non-assignment code to post_rules.mk

* mschwingen/modelm: move non-assignment code to post_rules.mk

* newgame40: move non-assignment code to post_rules.mk

* numatreus: move non-assignment code to post_rules.mk

* rgbkb/zen: move non-assignment code to post_rules.mk

* rgbkb/zen/rev2: move non-assignment code to post_rules.mk

* Revert "handwired/symmetric70_proto: move non-assignment code to post_rules.mk"

This reverts commit cffaf0075c3c9b2473a660ba4af8835a9162311b.

8 files changed, 43 insertions, 47 deletions

diff --git a/keyboards/lfkeyboards/lfk78/post_rules.mk b/keyboards/lfkeyboards/lfk78/post_rules.mk
new file mode 100644
index 0000000000..03f975b9df
--- /dev/null
+++ b/keyboards/lfkeyboards/lfk78/post_rules.mk
@@ -0,0 +1,14 @@
+# Extra source files for IS3731 lighting
+SRC += TWIlib.c issi.c lighting.c
+
+ifeq ($(strip $(ISSI_ENABLE)), yes)
+    TMK_COMMON_DEFS += -DISSI_ENABLE
+endif
+
+ifeq ($(strip $(WATCHDOG_ENABLE)), yes)
+    TMK_COMMON_DEFS += -DWATCHDOG_ENABLE
+endif
+
+ifeq ($(strip $(CAPSLOCK_LED)), yes)
+    TMK_COMMON_DEFS += -DCAPSLOCK_LED
+endif
diff --git a/keyboards/lfkeyboards/lfk78/rules.mk b/keyboards/lfkeyboards/lfk78/rules.mk
index 81f532615f..972e09af52 100644
--- a/keyboards/lfkeyboards/lfk78/rules.mk
+++ b/keyboards/lfkeyboards/lfk78/rules.mk
@@ -24,19 +24,4 @@ ISSI_ENABLE = yes               # If the I2C pullup resistors aren't install thi
 WATCHDOG_ENABLE = no            # Resets keyboard if matrix_scan isn't run every 250ms
 CAPSLOCK_LED = no              # Toggle back light LED of Caps Lock
 
-# Extra source files for IS3731 lighting
-SRC = TWIlib.c issi.c lighting.c
-
-ifeq ($(strip $(ISSI_ENABLE)), yes)
-    TMK_COMMON_DEFS += -DISSI_ENABLE
-endif
-
-ifeq ($(strip $(WATCHDOG_ENABLE)), yes)
-    TMK_COMMON_DEFS += -DWATCHDOG_ENABLE
-endif
-
-ifeq ($(strip $(CAPSLOCK_LED)), yes)
-    TMK_COMMON_DEFS += -DCAPSLOCK_LED
-endif
-
 DEFAULT_FOLDER = lfkeyboards/lfk78/revj
diff --git a/keyboards/lfkeyboards/lfk87/post_rules.mk b/keyboards/lfkeyboards/lfk87/post_rules.mk
new file mode 100644
index 0000000000..563462dd99
--- /dev/null
+++ b/keyboards/lfkeyboards/lfk87/post_rules.mk
@@ -0,0 +1,13 @@
+ifeq ($(LFK_REV), A)
+    MCU = at90usb1286
+else
+    MCU = at90usb646
+endif
+
+ifeq ($(strip $(ISSI_ENABLE)), yes)
+    OPT_DEFS += -DISSI_ENABLE
+endif
+
+ifeq ($(strip $(WATCHDOG_ENABLE)), yes)
+    OPT_DEFS += -DWATCHDOG_ENABLE
+endif
diff --git a/keyboards/lfkeyboards/lfk87/rules.mk b/keyboards/lfkeyboards/lfk87/rules.mk
index 7f5621b030..bc988f15aa 100644
--- a/keyboards/lfkeyboards/lfk87/rules.mk
+++ b/keyboards/lfkeyboards/lfk87/rules.mk
@@ -6,11 +6,6 @@
 #
 LFK_REV = C
 
-ifeq ($(LFK_REV), A)
-    MCU = at90usb1286
-else
-    MCU = at90usb646
-endif
 BOOTLOADER = atmel-dfu
 OPT_DEFS += -DLFK_TKL_REV_$(LFK_REV)
 
@@ -42,13 +37,3 @@ TAP_DANCE_ENABLE = no
 
 ISSI_ENABLE = yes			# If the I2C pullup resistors aren't install this must be disabled
 WATCHDOG_ENABLE = no		# Resets keyboard if matrix_scan isn't run every 250ms
-
-
-
-ifeq ($(strip $(ISSI_ENABLE)), yes)
-    OPT_DEFS += -DISSI_ENABLE
-endif
-
-ifeq ($(strip $(WATCHDOG_ENABLE)), yes)
-    OPT_DEFS += -DWATCHDOG_ENABLE
-endif
diff --git a/keyboards/lfkeyboards/lfkpad/post_rules.mk b/keyboards/lfkeyboards/lfkpad/post_rules.mk
new file mode 100644
index 0000000000..ad997587b2
--- /dev/null
+++ b/keyboards/lfkeyboards/lfkpad/post_rules.mk
@@ -0,0 +1,7 @@
+ifeq ($(strip $(ISSI_ENABLE)), yes)
+    TMK_COMMON_DEFS += -DISSI_ENABLE
+endif
+
+ifeq ($(strip $(WATCHDOG_ENABLE)), yes)
+    TMK_COMMON_DEFS += -DWATCHDOG_ENABLE
+endif
diff --git a/keyboards/lfkeyboards/lfkpad/rules.mk b/keyboards/lfkeyboards/lfkpad/rules.mk
index 942f11368a..392a0bdb9e 100644
--- a/keyboards/lfkeyboards/lfkpad/rules.mk
+++ b/keyboards/lfkeyboards/lfkpad/rules.mk
@@ -29,12 +29,4 @@ WATCHDOG_ENABLE = no         # Resets keyboard if matrix_scan() isn't run every
 
 SRC = TWIlib.c issi.c lighting.c
 
-ifeq ($(strip $(ISSI_ENABLE)), yes)
-    TMK_COMMON_DEFS += -DISSI_ENABLE
-endif
-
-ifeq ($(strip $(WATCHDOG_ENABLE)), yes)
-    TMK_COMMON_DEFS += -DWATCHDOG_ENABLE
-endif
-
 LAYOUTS = numpad_6x4
diff --git a/keyboards/lfkeyboards/mini1800/post_rules.mk b/keyboards/lfkeyboards/mini1800/post_rules.mk
new file mode 100644
index 0000000000..f04e10e4a3
--- /dev/null
+++ b/keyboards/lfkeyboards/mini1800/post_rules.mk
@@ -0,0 +1,9 @@
+ifeq ($(LFK_REV), A)
+    MCU = at90usb1286
+else
+    MCU = at90usb646
+endif
+
+ifeq ($(strip $(ISSI_ENABLE)), yes)
+    # TMK_COMMON_DEFS += -DISSI_ENABLE
+endif
diff --git a/keyboards/lfkeyboards/mini1800/rules.mk b/keyboards/lfkeyboards/mini1800/rules.mk
index a9c29c4b91..c9a9b01054 100644
--- a/keyboards/lfkeyboards/mini1800/rules.mk
+++ b/keyboards/lfkeyboards/mini1800/rules.mk
@@ -7,21 +7,12 @@
 # Set to A or C
 LFK_REV = C
 
-ifeq ($(LFK_REV), A)
-    MCU = at90usb1286
-else
-    MCU = at90usb646
-endif
 BOOTLOADER = atmel-dfu
 OPT_DEFS += -DLFK_TKL_REV_$(LFK_REV)
 
 # Extra source files for IS3731 lighting
 SRC = TWIlib.c issi.c lighting.c
 
-ifeq ($(strip $(ISSI_ENABLE)), yes)
-    # TMK_COMMON_DEFS += -DISSI_ENABLE
-endif
-
 # Build Options
 #   change yes to no to disable
 #