qcacld-3.0: Do not invoke pld_power_off during the module exit

Platform driver takes care of power off sequence during the module
exit.
Do not invoke the pld_power_off during the unload sequence.

Change-Id: Ib6d2e192849076acb60e0e6ebbbb9e5ed5938c2b
CRs-Fixed: 1093190

core/hdd/src/wlan_hdd_main.c

@@ -7883,7 +7883,7 @@ int hdd_wlan_stop_modules(hdd_context_t *hdd_ctx)
 
 	ol_cds_free();
 
-	if (!cds_is_driver_recovering()) {
+	if (!cds_is_driver_recovering() && !cds_is_driver_unloading()) {
 		ret = pld_power_off(qdf_ctx->dev);
 		if (ret)
 			hdd_err("CNSS power down failed put device into Low power mode:%d",