Port berry_crush.c part 1 from Emerald

ld_script.txt

@@ -279,7 +279,7 @@ SECTIONS {
         src/pokemon_jump_4.o(.text);
         src/pokemon_jump_5.o(.text);
         src/pokemon_jump_6.o(.text);
-        asm/berry_crush.o(.text);
+        src/berry_crush.o(.text);
         asm/berry_crush_2.o(.text);
         asm/berry_crush_3.o(.text);
         src/wireless_communication_status_screen.o(.text);