qcacmn: Fix Mem leak in scm_sort_6ghz_channel_list()

Free memory in error cases for rnr_chan_info

Change-Id: Ia879dd8857a4af331bf2f41aefe0551c1f8976e7
CRs-Fixed: 2670414

umac/scan/core/src/wlan_scan_manager.c

@@ -964,6 +964,7 @@ static void scm_sort_6ghz_channel_list(struct wlan_objmgr_vdev *vdev,
 	psoc = wlan_vdev_get_psoc(vdev);
 	if (!psoc) {
 		scm_err("Psoc is NULL");
+		qdf_mem_free(rnr_chan_info);
 		return;
 	}