drm/i915/lvds: simplify gen 2 lvds presence

Gen 2 mobile and not I830 is, in fact, I85X. Simplify.
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190122082307.4003-6-jani.nikula@intel.com

drivers/gpu/drm/i915/intel_display.c

@@ -14508,7 +14508,7 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
 		if (SUPPORTS_TV(dev_priv))
 			intel_tv_init(dev_priv);
 	} else if (IS_GEN(dev_priv, 2)) {
-		if (IS_MOBILE(dev_priv) && !IS_I830(dev_priv))
+		if (IS_I85X(dev_priv))
 			intel_lvds_init(dev_priv);
 
 		if (dev_priv->vbt.int_crt_support)