qcacld-3.0: Use wlan_cm_is_vdev_roaming() API in wma

Use wlan_cm_is_vdev_roaming() API in wma, instead of
wma->interfaces[vdev_id].roaming_in_progress.

Change-Id: Icb88246b2c45c052a1d42dece4983b1e534fe608
CRs-Fixed: 2993180

components/mlme/core/src/wlan_mlme_main.c

@@ -2956,13 +2956,14 @@ bool wlan_vdev_id_is_11n_allowed(struct wlan_objmgr_pdev *pdev, uint8_t vdev_id)
 					     WLAN_CRYPTO_PARAM_UCAST_CIPHER);
 
 	if (ucast_cipher == -1)
-		return is_11n_allowed;
+		goto err;
 	if (QDF_HAS_PARAM(ucast_cipher, WLAN_CRYPTO_CIPHER_TKIP) ||
 	    QDF_HAS_PARAM(ucast_cipher, WLAN_CRYPTO_CIPHER_WEP) ||
 	    QDF_HAS_PARAM(ucast_cipher, WLAN_CRYPTO_CIPHER_WEP_40) ||
 	    QDF_HAS_PARAM(ucast_cipher, WLAN_CRYPTO_CIPHER_WEP_104))
 		is_11n_allowed = false;
 
+err:
 	wlan_objmgr_vdev_release_ref(vdev, WLAN_LEGACY_MAC_ID);
 
 	return is_11n_allowed;