fix STRINGIFY redefining issue

Author: Archcady

targets/TARGET_Realtek/TARGET_AMEBA/TARGET_RTL8195A/device/rtl8195a_compiler.h

@@ -18,7 +18,7 @@
 
 #if defined (__ICCARM__)
 #ifndef STRINGIFY
-#define STRINGIFY(s) #s
+#define STRINGIFY(a) #a
 #endif
 #ifndef SECTION
 #define SECTION(_name)      _Pragma( STRINGIFY(location=##_name##))

targets/TARGET_Realtek/TARGET_AMEBA/sdk/soc/realtek/common/bsp/basic_types.h

@@ -191,7 +191,7 @@ typedef	    __kernel_ssize_t	SSIZE_T;
 #endif
 
 #if defined (__ICCARM__)
-#define STRINGIFY(s) #s
+#define STRINGIFY(a) #a
 #define SECTION(_name) _Pragma( STRINGIFY(location=_name))
 #define ALIGNMTO(_bound) _Pragma( STRINGIFY(data_alignment=_bound))
 #define _PACKED_       __packed