Fix LIB_SRC insert position (qmk#5731)

The insertion point for `$(patsubst %.c,%.clib,$(LIB_SRC))` must be after all normal `SRC += ..` . I modified it to be so.

Because LIB_SRC and SRC are assumed to be used in pairs. Similarly, QUANTUM_LIB_SRC and QUANTUM_SRC are assumed to be used in pairs.

build_keyboard.mk

@@ -324,7 +324,6 @@ ifneq ("$(wildcard $(KEYMAP_PATH)/config.h)","")
 endif
 
 # # project specific files
-SRC += $(patsubst %.c,%.clib,$(LIB_SRC))
 SRC += $(KEYBOARD_SRC) \
     $(KEYMAP_C) \
     $(QUANTUM_SRC)
@@ -343,6 +342,7 @@ include $(TMK_PATH)/protocol.mk
 include $(TMK_PATH)/common.mk
 include bootloader.mk
 
+SRC += $(patsubst %.c,%.clib,$(LIB_SRC))
 SRC += $(patsubst %.c,%.clib,$(QUANTUM_LIB_SRC))
 SRC += $(TMK_COMMON_SRC)
 OPT_DEFS += $(TMK_COMMON_DEFS)