staging: vchiq_core: fix return type of vchiq_init_state

Recent commit "staging: vchiq_core: drop vchiq_status from vchiq_init_state"
missed to change the return type in the definition. Let's fix this now.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1621105859-30215-2-git-send-email-stefan.wahren@i2se.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c

@@ -2157,7 +2157,7 @@ vchiq_init_slots(void *mem_base, int mem_size)
 	return slot_zero;
 }
 
-enum vchiq_status
+int
 vchiq_init_state(struct vchiq_state *state, struct vchiq_slot_zero *slot_zero)
 {
 	struct vchiq_shared_state *local;