INVPCID enable in 16b mode
INVPCID enable in 16b mode

Change-Id: I96612393c2e9ba58cb4c484d9a69a7c94315d2a3
(cherry picked from commit b119ef404abfd7573cb3075ecdbdb427afa64efd)

intelxed/xed,intelxed/xed,intelxed/xed,intelxed/xed