mb/google/poppy/variants: Set VmxEnable to 1

This change sets VmxEnable to 1 to match the kernel setting. 
If this feature is enabled at the kernel level and not in FSP, 
then there is an issue where FSP expects it to be disabled so 
it forces a cold reboot on every warm reboot.

BUG=b:78129261
BRANCH=poppy

Change-Id: Idedbde1d8eb0c9e959733b7b50e5dec804d61cae
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/25698
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
4 files changed