VHT: Fill VHT capability with hardware capability

Previously, VHT capability was default value (=0x0000). This makes
VHT Capabilities Info in VHT Capabilities IE in mesh peering
open/confirm frame 0x0000. This patch fills it with hardware capability.

Signed-off-by: Masashi Honma <masashi.honma@gmail.com>

wpa_supplicant/ap.c

@@ -168,6 +168,7 @@ int wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
 
 			if (mode->vht_capab && ssid->vht) {
 				conf->ieee80211ac = 1;
+				conf->vht_capab |= mode->vht_capab;
 				wpas_conf_ap_vht(wpa_s, conf, mode);
 			}
 		}