set timezone to etc/utc during setup

setup/so-setup

@@ -576,6 +576,7 @@ if ! [[ -f $install_opt_file ]]; then
 	fi
 
 	if [[ $waitforstate ]]; then
+		set_timezone
 		touch /root/accept_changes
 		make_some_dirs
 		percentage=0
@@ -725,6 +726,7 @@ if ! [[ -f $install_opt_file ]]; then
 		systemctl restart salt-minion
 		verify_setup
 	else
+		set_timezone
 		touch /root/accept_changes
 		mkdir -p /opt/so
 		es_heapsize