Start porting cable_club.c

ld_script.txt

@@ -118,6 +118,7 @@ SECTIONS {
         src/title_screen.o(.text);
         asm/field_screen.o(.text);
         src/battle_setup.o(.text);
+        src/cable_club.o(.text);
         asm/cable_club.o(.text);
         src/trainer_see.o(.text);
         src/wild_encounter.o(.text);