drm/i915: Capture CCID on ILK

CCID register existed already on ILK according to the PRM (Chris
verified the address to match too).
Signed-off-by: NJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: NChris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1493366019-18380-1-git-send-email-joonas.lahtinen@linux.intel.com

drivers/gpu/drm/i915/i915_gpu_error.c

@@ -1598,7 +1598,7 @@ static void i915_capture_reg_state(struct drm_i915_private *dev_priv,
 		error->done_reg = I915_READ(DONE_REG);
 	}
 
-	if (INTEL_GEN(dev_priv) >= 6)
+	if (INTEL_GEN(dev_priv) >= 5)
 		error->ccid = I915_READ(CCID);
 
 	/* 3: Feature specific registers */