systemd/dracut-cmdline.sh: print out cmdline in one line

(cherry picked from commit 93a5a3d3ca)

modules.d/98dracut-systemd/dracut-cmdline.sh

@@ -14,8 +14,7 @@ if ! getargbool 1 'rd.hostonly'; then
     [ -f /tmp/99-cmdline-ask.conf ] && mv /tmp/99-cmdline-ask.conf /etc/cmdline.d/99-cmdline-ask.conf
 fi
 
-info "Using kernel command line parameters:"
-getcmdline | vinfo
+info "Using kernel command line parameters:" $(getcmdline)
 
 getargbool 0 rd.udev.log-priority=info -d rd.udev.info -d -n -y rdudevinfo && echo 'udev_log="info"' >> /etc/udev/udev.conf
 getargbool 0 rd.udev.log-priority=debug -d rd.udev.debug -d -n -y rdudevdebug && echo 'udev_log="debug"' >> /etc/udev/udev.conf