drm/i915: gen2 has no tv out support

So ditch that if clause from the i8xx pll update code.
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_display.c

@@ -4518,11 +4518,7 @@ static void i8xx_update_pll(struct drm_crtc *crtc,
 			dpll |= PLL_P2_DIVIDE_BY_4;
 	}
 
-	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_TVOUT))
-		/* XXX: just matching BIOS for now */
-		/*	dpll |= PLL_REF_INPUT_TVCLKINBC; */
-		dpll |= 3;
-	else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
+	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
 		 intel_panel_use_ssc(dev_priv) && num_connectors < 2)
 		dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
 	else