drm/i915/gvt: set SFUSE_STRAP properly for vitual monitor detection

update the correct virtual montior connection status to vreg

v2: address yulei's comment on commit message

Signed-off-by: Bing Niu <bing.niu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
1 file changed