hostapd: Add channel 140 to allowed HT40 channel pairs

Channel 140 is needed as allowed HT40 channel pair to use
channel 144 introduced in 802.11ac for VHT40 and VHT80.

Signed-off-by: Peter Oh <poh@qca.qualcomm.com>
diff --git a/src/common/hw_features_common.c b/src/common/hw_features_common.c
index e8babb5..309215e 100644
--- a/src/common/hw_features_common.c
+++ b/src/common/hw_features_common.c
@@ -88,8 +88,8 @@
 			      int sec_chan)
 {
 	int ok, j, first;
-	int allowed[] = { 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157,
-			  184, 192 };
+	int allowed[] = { 36, 44, 52, 60, 100, 108, 116, 124, 132, 140,
+			  149, 157, 184, 192 };
 	size_t k;
 
 	if (pri_chan == sec_chan || !sec_chan)