Fix more raw pointers (rsp and part of .data) (#170)

Known files left with pointers in .data after this (possibly the only ones since I checked roughly everything):
- flg_set.c
- z_camera.c
- db_camera.c
- code_800D7CD0.c (ucode_disas.c)
- audio (not sure which ones, see the structure sheet)

src/code/sys_ucode.c

@@ -1,5 +1,8 @@
 #include <global.h>
 
+u32 D_8012DBA0 = (u32)&D_80155F50;
+u32 D_8012DBA4 = (u32)&D_80157580;
+
 u32 SysUcode_GetUCodeBoot() {
     return &D_80009320;
 }