mac80211: make LED trigger names const

This is just a code cleanup, make the LED trigger names const
as they're not expected to be modified by drivers.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

carl9170: fix formatting issues found by checkpatch

Signed-off-by: Pavel Roskin <proski@gnu.org>
Acked-By: christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

carl9170: mac80211 glue and command interface

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>