mmc: update header file paths

Make sure all headers in the files reflect their true position
in the tree.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index b53dac8..9f2b20f 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -1,5 +1,5 @@
 /*
- *  linux/drivers/mmc/queue.c
+ *  linux/drivers/mmc/card/queue.c
  *
  *  Copyright (C) 2003 Russell King, All Rights Reserved.
  *  Copyright 2006-2007 Pierre Ossman