add TU_ARGS_APPLY(), TU_CHECK_MCU() now could check list of mcus

src/common/tusb_common.h

@@ -235,37 +235,6 @@ TU_ATTR_ALWAYS_INLINE static inline void     tu_unaligned_write16 (void* mem, ui
 
 #endif
 
-/*------------------------------------------------------------------*/
-/* Count number of arguments of __VA_ARGS__
- * - reference https://groups.google.com/forum/#!topic/comp.std.c/d-6Mj5Lko_s
- * - _GET_NTH_ARG() takes args >= N (64) but only expand to Nth one (64th)
- * - _RSEQ_N() is reverse sequential to N to add padding to have
- * Nth position is the same as the number of arguments
- * - ##__VA_ARGS__ is used to deal with 0 paramerter (swallows comma)
- *------------------------------------------------------------------*/
-#ifndef TU_ARGS_NUM
-
-#define TU_ARGS_NUM(...) 	 _TU_NARG(_0, ##__VA_ARGS__,_RSEQ_N())
-
-#define _TU_NARG(...)        _GET_NTH_ARG(__VA_ARGS__)
-#define _GET_NTH_ARG( \
-          _1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \
-         _11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \
-         _21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
-         _31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
-         _41,_42,_43,_44,_45,_46,_47,_48,_49,_50, \
-         _51,_52,_53,_54,_55,_56,_57,_58,_59,_60, \
-         _61,_62,_63,N,...) N
-#define _RSEQ_N() \
-         62,61,60,                      \
-         59,58,57,56,55,54,53,52,51,50, \
-         49,48,47,46,45,44,43,42,41,40, \
-         39,38,37,36,35,34,33,32,31,30, \
-         29,28,27,26,25,24,23,22,21,20, \
-         19,18,17,16,15,14,13,12,11,10, \
-         9,8,7,6,5,4,3,2,1,0
-#endif
-
 // To be removed
 //------------- Binary constant -------------//
 #if defined(__GNUC__) && !defined(__CC_ARM)