Fix most compiler warnings in the boot and code segments (#674)

* Less warnings in boot & code segments

* few more warnings gone

* Ran formatter

* z_view warning gone

* -> 1

* f31 -> 31

* Remove function casts

* Few more small improvements

* Separate declaration and assignment in func_80091738 and Item_Give

Co-authored-by: Thar0 <maximilianc64@gmail.com>

src/code/padsetup.c

@@ -13,6 +13,7 @@ s32 PadSetup_Init(OSMesgQueue* mq, u8* outMask, OSContStatus* status) {
         if (osContStartQuery(mq) != 0) {
             return 1;
         }
+
         osRecvMesg(mq, NULL, OS_MESG_BLOCK);
         osContGetQuery(status);