drm/i915/chv: Add DPFLIPSTAT register bits for Cherryview
drm/i915/chv: Add DPFLIPSTAT register bits for Cherryview

CHV has pipe C and PSR which cause changes to DPFLIPSTAT.

Signed-off-by: Ville Syrjälä <cd6e8d405ca90be3a03d5427c5b24fbd2d68dcc4@linux.intel.com>
Reviewed-by: Rafael Barbalho <2708c2191628ce1fae7dd028a0387b1cc5df5cb9@intel.com>
Signed-off-by: Daniel Vetter <c1b6782c4af8f0673da8923a0702a1832e5940f4@ffwll.ch>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs