hostapd: Disassoc STA without WPA/RSN IE if AP proto is WPA/RSN

With the AP proto configured being WPA/RSN and SME in the
driver, the previous implementation in hostapd is to not
process hostapd_notif_assoc() due to "No WPA/RSN IE from STA",
if the (Re)Association Request frame is without the WPA/RSN IEs.

Enhance that to disassociate such station provided the AP is not using
WPS.

Signed-off-by: Hu Wang <huw@codeaurora.org>

src/ap/drv_callbacks.c

@@ -262,7 +262,9 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
 #endif /* CONFIG_WPS */
 
 			wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
-			return -1;
+			reason = WLAN_REASON_INVALID_IE;
+			status = WLAN_STATUS_INVALID_IE;
+			goto fail;
 		}
 #ifdef CONFIG_WPS
 		if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&