OWE: Support DH groups 20 and 21 with driver-SME/MLME

This was already the case with the hostapd-based SME/MLME
implementation, but the OWE DH Param element construction for the
driver-based SME/MLME needed a matching change to set the group
properly.

Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>

src/ap/ieee802_11.c

@@ -3015,7 +3015,7 @@ u8 * owe_auth_req_process(struct hostapd_data *hapd, struct sta_info *sta,
 	*owe_buf++ = WLAN_EID_EXTENSION; /* Element ID */
 	*owe_buf++ = 1 + 2 + wpabuf_len(pub); /* Length */
 	*owe_buf++ = WLAN_EID_EXT_OWE_DH_PARAM; /* Element ID Extension */
-	WPA_PUT_LE16(owe_buf, OWE_DH_GROUP);
+	WPA_PUT_LE16(owe_buf, sta->owe_group);
 	owe_buf += 2;
 	os_memcpy(owe_buf, wpabuf_head(pub), wpabuf_len(pub));
 	owe_buf += wpabuf_len(pub);