lpc: Rename point_to_flash lpc_map_flash

Change-Id: Id4f28611fed387c35e23acc3ec824e395e097202
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/lpc.h b/lpc.h
index 4eec424..bf7ffcb 100644
--- a/lpc.h
+++ b/lpc.h
@@ -6,7 +6,7 @@
 
 int lpc_dev_init(struct mbox_context *context);
 void lpc_dev_free(struct mbox_context *context);
-int point_to_flash(struct mbox_context *context);
+int lpc_map_flash(struct mbox_context *context);
 int point_to_memory(struct mbox_context *context);
 int reset_lpc(struct mbox_context *context);