Use modified rgb_backlight.c file

keyboards/hs60/v2/keymaps/stanrc85/rules.mk

@@ -1,6 +1,5 @@
 # project specific files
 SRC =	keyboards/zeal60/zeal60.c \
-		keyboards/zeal60/rgb_backlight.c \
 		drivers/issi/is31fl3733.c \
 		quantum/color.c \
 		drivers/arm/i2c_master.c

users/stanrc85/rules.mk

@@ -14,3 +14,7 @@ ifeq ($(strip $(RGBLIGHT_ENABLE)), yes)
   # Include my fancy rgb functions source here
   SRC += layer_rgb.c
 endif
+
+ifeq ($(strip $(KEYBOARD)), hs60/v2)
+  SRC += rgb_backlight.c
+endif