Pineview doesn't has CXSR and need GTT-based hardware status page.
It fixes a X boot hung issue on Pinview since commit cfdf1f
Signed-off-by: NLi Peng <peng.li@intel.com>
Acked-by: NZhao Yakui <yakui.zhao@intel.com>
Signed-off-by: NEric Anholt <eric@anholt.net>