padmgr and related (#71)

* In process of moving changes over from old repo

* Merged in changes

* Finished import of padmgr changes from old repo

* Adjusted some volatile

* Improving padmgr volatile situation

* Almost matched osReadMempak

* Working on osMempakDataCRC

* Explanations and equivalents but no matches for osMempakAddrCRC and osMempakDataCRC

* OK after merge

* Matched osMempakAddrCRC and osMempakDataCRC

* Matched osReadMempak

* Updated PadMgr function names to be less like original code

* Changed variable names to make them further from original code

* Changed names and it stopped matching

* Undid clang-format steamrollering whitespace memes

* Cleaned up Input names

* More formatting changes

* Moved padmgr to z64.h, deleted padmgr.h

src/code/code_800D31A0.c

@@ -1,5 +1,4 @@
 #include <global.h>
-#include <padmgr.h>
 #include <vt.h>
 
 extern PadMgr gPadMgr;
@@ -14,9 +13,7 @@ void func_800D31A0() {
 }
 
 void func_800D31F0() {
-    PadMgr* padMgr = (PadMgr*)(u32)&gPadMgr; // cast required to match
-
-    D_8012DBC0 = (padMgr->unk_2A8 & 2) != 0;
+    D_8012DBC0 = (gPadMgr.validCtrlrsMask & 2) != 0;
 }
 
 void func_800D3210() {