transport: mbox: Rename dispatch_mbox to transport_mbox_dispatch

Change-Id: I7c5457099e90ea4ed498fd1898b4504f051d13fc
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/transport_mbox.h b/transport_mbox.h
index 4c2952c..cb55783 100644
--- a/transport_mbox.h
+++ b/transport_mbox.h
@@ -7,7 +7,7 @@
 #include "common.h"
 #include "mbox.h"
 
-int dispatch_mbox(struct mbox_context *context);
+int transport_mbox_dispatch(struct mbox_context *context);
 int init_mbox_dev(struct mbox_context *context);
 void free_mbox_dev(struct mbox_context *context);