bdk: types: refactor and add size defines

bdk/utils/util.h

@@ -51,11 +51,6 @@ typedef enum
 	ERR_EXCEPTION  = BIT(31),
 } hekate_errors_t;
 
-#define byte_swap_32(num) ((((num) >> 24) & 0xff) | (((num) << 8) & 0xff0000) | \
-						(((num) >> 8 )& 0xff00) | (((num) << 24) & 0xff000000))
-
-#define byte_swap_16(num) ((((num) >> 8) & 0xff) | (((num) << 8) & 0xff00))
-
 typedef struct _cfg_op_t
 {
 	u32 off;