qcacld-3.0: Change log level for driver load entry

Change log level to info for hdd_driver_load, which
like hdd_driver_unload did. And it is information
output not crital error logging.

Change-Id: I1f86c9f050a7ca604a67e44985393e336595c32b
CRs-Fixed: 3517594

core/hdd/src/wlan_hdd_main.c

@@ -18826,8 +18826,8 @@ int hdd_driver_load(void)
 	int errno;
 	bool soft_load;
 
-	pr_err("%s: Loading driver v%s\n", WLAN_MODULE_NAME,
-	       g_wlan_driver_version);
+	pr_info("%s: Loading driver v%s\n", WLAN_MODULE_NAME,
+		g_wlan_driver_version);
 	hdd_place_marker(NULL, "START LOADING", NULL);
 
 	status = hdd_qdf_init();