Load OK (#792)

* Progress

* cleanup

* Fix comment

* progress

* OK

* Review pt1

* Update comments

* update comments some more

* Renamings

* Add headers and some parens cleanup

* Remove zelda64

* PR review

* bss

* Explain each relocation type a bit in the header comment

* Relocate_Addr macro

* Split off into z64load.h

* Adjust comment slightly based on OOT review

* OverlayRelocationType -> MIPSRelocationType

* Last bit of cleanup from OoT

* format

* Split off functions

src/code/z_DLF.c

@@ -1,5 +1,6 @@
 #include "global.h"
 #include "system_malloc.h"
+#include "z64load.h"
 
 #pragma GLOBAL_ASM("asm/non_matchings/code/z_DLF/Overlay_LoadGameState.s")
 

src/code/z_actor.c

@@ -4,6 +4,7 @@
  */
 
 #include "global.h"
+#include "z64load.h"
 #include "overlays/actors/ovl_En_Horse/z_en_horse.h"
 #include "overlays/actors/ovl_En_Part/z_en_part.h"
 #include "overlays/actors/ovl_En_Box/z_en_box.h"

src/code/z_effect_soft_sprite.c

@@ -1,4 +1,5 @@
 #include "global.h"
+#include "z64load.h"
 
 EffectSsInfo sEffectSsInfo = { NULL, 0, 0 };
 

src/code/z_kaleido_manager.c

@@ -1,4 +1,5 @@
 #include "global.h"
+#include "z64load.h"
 
 #define KALEIDO_OVERLAY(name)                                                                        \
     {                                                                                                \

src/code/z_overlay.c

@@ -1,4 +1,5 @@
 #include "global.h"
+#include "z64load.h"
 
 #pragma GLOBAL_ASM("asm/non_matchings/code/z_overlay/func_801651B0.s")