rxrpc: Separate local endpoint event handling out into its own file

Separate local endpoint event handling out into its own file preparatory to
overhauling the object management aspect (which remains in the original
file).

Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index a63bb75..fa50b09 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -573,6 +573,11 @@
 			      u32);
 
 /*
+ * local_event.c
+ */
+extern void rxrpc_process_local_events(struct work_struct *);
+
+/*
  * local_object.c
  */
 extern rwlock_t rxrpc_local_lock;