Revert "drm/i915: Limit the auto arming of mmio debugs on vlv/chv"

Enable the unclaimd register detection stuff on vlv/chv since we've now
fixed the known problems during suspend.

This reverts commit c81eeea6.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1460382992-28728-11-git-send-email-ville.syrjala@linux.intel.com


Reviewed-by: Imre Deak <imre.deak@intel.com>