Fix whitespace

Replace spaces by tabs for consistency. The rest of the codebase uses
tabs, so the linkerscript parser has to change.

Removed trailing tabs in all codebase.

Signed-off-by: AntonioND <antonio_nd@outlook.com>

src/asm/symbol.c

@@ -766,7 +766,7 @@ sym_PrepPass2(void)
 	sym_AddEqu("_NARG", 0);
 	p_NARGSymbol = findsymbol("_NARG", NULL);
 	p_NARGSymbol->Callback = Callback_NARG;
-	
+
 	math_DefinePI();
 }