Reduce dependencies on global.h (10) (#2490)

* reduce z64.h size

* fix z_cheap_proc.inc.c

* ,bss

* remove temp delcaration

src/code/sys_debug_controller.c

@@ -1,4 +1,7 @@
-#include "global.h"
+#include "sys_debug_controller.h"
+#include "stdbool.h"
+#include "ultra64/ultratypes.h"
+#include "padmgr.h"
 
 u32 gIsCtrlr2Valid = false;