libultra cleanup (#215)

* cleanup libultra

* fixes

- use quotes instead of <> for includes
- add macros for zelda specific thread priorities
- fix Makefile
- properly format the remaining pfs structs

* fix button macros + add CHECK_BTN_ANY/CHECK_BTN_ALL

* remove ULTRA_ABS

* fix includes

* update z_player.c/z_lib.c + run format.sh

* merge upstream/master

* fix include in En_Goroiwa

* fix includes

src/libultra_code_O2/code_800E6840.c

@@ -0,0 +1,13 @@
+#include "global.h"
+
+void func_800E6840(void* buf, s32 size) {
+    OSIntMask prevMask = osSetIntMask(1);
+    osInvalDCache(buf, size);
+    osSetIntMask(prevMask);
+}
+
+void func_800E6880(void* buf, s32 size) {
+    OSIntMask prevMask = osSetIntMask(1);
+    osWritebackDCache(buf, size);
+    osSetIntMask(prevMask);
+}