linux-phytec-ti

drm/i915: Enable GPU reset on Ivybridge.

According to the hardware documentation, GDRST is exactly the same as on
Sandybridge.  So simply enable the existing code.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Keith Packard <keithp@keithp.com>