fix(lwip): Fix LwIP header file cc.h string format error
Closes:
typedef int sys_prot_t;
-#define S16_F "d"
-#define U16_F "d"
-#define X16_F "x"
+#define S16_F "hd"
+#define U16_F "hu"
+#define X16_F "hx"
#define S32_F "d"
-#define U32_F "d"
+#define U32_F "u"
#define X32_F "x"
//#define PACK_STRUCT_FIELD(x) x __attribute__((packed))
