Merge tag 'gvt-fixes-2017-12-06' of https://github.com/intel/gvt-linux into drm-intel-fixes

gvt-fixes-2017-12-06

- Fix invalid hw reg read value for vGPU (Xiong)
- Fix qemu warning on PCI ROM bar missing (Changbin)
- Workaround preemption regression (Zhenyu)

Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171206075105.wlh2ojubjczlstox@zhen-hp.sh.intel.com