Match and improve some non matchings (#254)

src/libultra_code/contpfs.c

@@ -162,6 +162,7 @@ s32 __osCheckPackId(OSPfs* pfs, __OSPackId* temp) {
 }
 
 #ifdef NON_MATCHING
+// regalloc differences, probably the same issue as osPfsInitPak
 s32 __osGetId(OSPfs* pfs) {
 
     u16 sum, isum;

src/libultra_code/pfsinitpak.c

@@ -2,7 +2,7 @@
 #include <global.h>
 
 #ifdef NON_MATCHING
-// regalloc with temp registers
+// regalloc differences, probably the same issue as __osGetId
 s32 osPfsInitPak(OSMesgQueue* queue, OSPfs* pfs, s32 channel) {
     s32 ret = 0;
     u16 sum;