- x86, cpu, amd: Add workaround for family 16h, erratum 793
  (bnc#852967 CVE-2013-6885).
- Refresh patches.xen/xen3-patch-3.10.
nfs: always make sure page is up-to-date before extending a
write to cover the entire page (bnc#864867 bnc#865075).
Update config files. Set CONFIG_EFIVAR_FS to build-in for MOK support

Update config files. Set CONFIG_EFIVAR_FS to build-in for MOK support