cfg80211: add operating classes 128-130

Operating classes 128-130 are defined in the 11ac
spec for the 5GHz band.

Update ieee80211_operating_class_to_band() to support them.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 6903dbd..f7b3598 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1296,6 +1296,7 @@
 	switch (operating_class) {
 	case 112:
 	case 115 ... 127:
+	case 128 ... 130:
 		*band = IEEE80211_BAND_5GHZ;
 		return true;
 	case 81: