gma500: Fix frequency detection

If we have a 266MHz part we set core_freq to 0 in several spots
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NDave Airlie <airlied@gmail.com>

drivers/gpu/drm/gma500/cdv_device.c

@@ -457,6 +457,7 @@ static void cdv_get_core_freq(struct drm_device *dev)
 	case 6:
 	case 7:
 		dev_priv->core_freq = 266;
+		break;
 	default:
 		dev_priv->core_freq = 0;
 	}

drivers/gpu/drm/gma500/psb_device.c

@@ -290,6 +290,7 @@ static void psb_get_core_freq(struct drm_device *dev)
 	case 6:
 	case 7:
 		dev_priv->core_freq = 266;
+		break;
 	default:
 		dev_priv->core_freq = 0;
 	}