Staging: rt2860: fix previous patch error

Somehow Greg messed up the last patch and missed a chunk.  This patch
contains the missing chunk.

Acked-by: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Chen, Chien-Chia <machen@novell.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>