v6.4.0: Update the GCE services test with latest services.
- Split kernel command line args before compare. - Skip EC2 dracut config test if arch not x86_64. - Skip EC2 dracut config test if SLES > 12SP5.
- Split kernel command line args before compare. - Skip EC2 dracut config test if arch not x86_64. - Skip EC2 dracut config test if SLES > 12SP5.