[ASM] Add ml_offset macro for both GAS and ML to reduce future code

Author: iLauncherDev

sdk/include/asm/asm.inc

@@ -172,6 +172,7 @@ ENDM
     .skip size, fill
 ENDM
 
+#define ml_offset offset
 #define lXdtPrefix fword ptr
 
 ljmp MACRO segment, offset
@@ -324,6 +325,7 @@ ENDM
 #define REPEAT .rept
 #define ENDR .endr
 
+#define ml_offset
 #define lXdtPrefix
 
 .macro ljmp segment, offset