drm/panel: simple: Add bus format for HannStar HSD100PXN1

This patch adds the bus_format field to the HSD100PXN1 panel structure.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>

drivers/gpu/drm/panel/panel-simple.c

@@ -752,6 +752,7 @@ static const struct panel_desc hannstar_hsd100pxn1 = {
 		.width = 203,
 		.height = 152,
 	},
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
 };
 
 static const struct drm_display_mode hitachi_tx23d38vm0caa_mode = {