x86: xsave: restore xcr0 during resume

Add the missing XCR0(XFEATURE_ENABLED_MASK) restore during resume.

Reported-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>