ath5k_copy_channels() wasn't setting the channel's band so all
driver channels had a 2GHz band set. Lets set this.
Changes-licensed-under: 3-Clause-BSD
Signed-off-by: Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 
                /* Write channel info and increment counter */
                channels[count].center_freq = freq;
+               channels[count].band = (chfreq == CHANNEL_2GHZ) ?
+                       IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
                switch (mode) {
                case AR5K_MODE_11A:
                case AR5K_MODE_11G: