wlan: Fix for riva crash when NV Download Request Fails

Removed the go to err_wda_stop and setNeedShutdown and returned when
NVDownload fails in vos_start, renamed WDA_stopFailed to
WDA_setNeedShutdown

Change-Id: I99dd915fcc87bd30634699df3eb7c2410a9270f2
CR-Fixed: 423660
diff --git a/CORE/WDA/inc/wlan_qct_wda.h b/CORE/WDA/inc/wlan_qct_wda.h
index f758740..489d006 100644
--- a/CORE/WDA/inc/wlan_qct_wda.h
+++ b/CORE/WDA/inc/wlan_qct_wda.h
@@ -471,10 +471,10 @@
 VOS_STATUS WDA_shutdown(v_PVOID_t pVosContext, wpt_boolean closeTransport);
 
 /*
- * FUNCTION: WDA_stopFailed
- * WDA stop is failed
+ * FUNCTION: WDA_setNeedShutdown
+ * WDA stop failed or WDA NV Download failed
  */
-void WDA_stopFailed(v_PVOID_t pVosContext);
+void WDA_setNeedShutdown(v_PVOID_t pVosContext);
 /*
  * FUNCTION: WDA_needShutdown
  * WDA requires a shutdown rather than a close