drm/i915: Use HAS_PCH_CPT() everywhere

We have a few cases comparing pch_type directly. Let's just replace
them with HAS_PCH_CPT() since CPT/PPT is what they're looking for.
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170620130310.13245-2-ville.syrjala@linux.intel.comReviewed-by: NJani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/intel_device_info.c

@@ -363,7 +363,7 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
 		 */
 		if (fuse_strap & ILK_INTERNAL_DISPLAY_DISABLE ||
 		    sfuse_strap & SFUSE_STRAP_DISPLAY_DISABLED ||
-		    (dev_priv->pch_type == PCH_CPT &&
+		    (HAS_PCH_CPT(dev_priv) &&
 		     !(sfuse_strap & SFUSE_STRAP_FUSE_LOCK))) {
 			DRM_INFO("Display fused off, disabling\n");
 			info->num_pipes = 0;

drivers/gpu/drm/i915/intel_sdvo.c

@@ -1343,7 +1343,7 @@ static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder,
 		sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
 	}
 
-	if (INTEL_PCH_TYPE(dev_priv) >= PCH_CPT)
+	if (HAS_PCH_CPT(dev_priv))
 		sdvox |= SDVO_PIPE_SEL_CPT(crtc->pipe);
 	else
 		sdvox |= SDVO_PIPE_SEL(crtc->pipe);