Split out image_processing_effects

ld_script.txt

@@ -181,7 +181,7 @@ SECTIONS {
         asm/script_pokemon_util_80BF8FC.o(.text);
         src/heal_location.o(.text);
         src/region_map.o(.text);
-        asm/region_map.o(.text);
+        asm/image_processing_effects.o(.text);
         src/battle_ai_script_commands.o(.text);
         src/fldeff_rocksmash.o(.text);
         src/fldeff_dig.o(.text);
@@ -480,6 +480,7 @@ SECTIONS {
         src/heal_location.o(.rodata);
         src/region_map.o(.rodata);
         data/region_map.o(.rodata);
+        data/image_processing_effects.o(.rodata);
         src/battle_ai_script_commands.o(.rodata);
         data/fldeff_flash.o(.rodata);
         src/field_specials.o(.rodata);