drm/mediatek: Add gamma support for MT8195

Since MT8195 compatible is in the single enum group, we have to add its
compatible into mediatek-drm component binding table to ensure that
it can be bound as a ddp_comp.

Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogiaocchino.delregno@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20240229144844.1688-4-jason-jh.lin@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

Author: Jason-JH.Lin

drivers/gpu/drm/mediatek/mtk_drm_drv.c

@@ -709,6 +709,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
 	  .data = (void *)MTK_DISP_GAMMA, },
 	{ .compatible = "mediatek,mt8183-disp-gamma",
 	  .data = (void *)MTK_DISP_GAMMA, },
+	{ .compatible = "mediatek,mt8195-disp-gamma",
+	  .data = (void *)MTK_DISP_GAMMA, },
 	{ .compatible = "mediatek,mt8195-disp-merge",
 	  .data = (void *)MTK_DISP_MERGE },
 	{ .compatible = "mediatek,mt2701-disp-mutex",