brcmfmac: use CFG80211_TESTMODE_CMD

This is essentially the same, but written shorter.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
1 file changed