[tools] add GetGCCLikePLATFORM

GCC like means the toolchains which are compatible with GCC

components/drivers/spi/SConscript

@@ -1,4 +1,5 @@
 from building import *
+from gcc import *
 import rtconfig
 
 cwd = GetCurrentDir()
@@ -29,7 +30,7 @@ if GetDepend('RT_USING_SFUD'):
     if GetDepend('RT_SFUD_USING_SFDP'):
         src_device += ['sfud/src/sfud_sfdp.c']
 
-    if rtconfig.PLATFORM in ['gcc', 'armclang', 'llvm-arm']:
+    if rtconfig.PLATFORM in GetGCCLikePLATFORM():
         LOCAL_CFLAGS += ' -std=c99'
     elif rtconfig.PLATFORM in ['armcc']:
         LOCAL_CFLAGS += ' --c99'