drm/mediatek: Add missing MODULE_DEVICE_TABLE()

This patch adds the missing MODULE_DEVICE_TABLE definitions on different
Mediatek drivers which generates correct modalias for automatic loading
when these drivers are compiled as an external module.

Signed-off-by: Boris Brezillon <[e-mail]>
Signed-off-by: Enric Balletbo i Serra <[e-mail]>
Reviewed-by: Hsin-Yi Wang <[e-mail]>
Signed-off-by: Chun-Kuang Hu <[e-mail]>

drivers/gpu/drm/mediatek/mtk_cec.c

···
 #include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/mod_devicetable.h>
 #include <linux/platform_device.h>
 
···
 	{ .compatible = "mediatek,mt8173-cec", },
 	{}
 };
+MODULE_DEVICE_TABLE(of, mtk_cec_of_ids);
 
 struct platform_driver mtk_cec_driver = {
 	.probe = mtk_cec_probe,

drivers/gpu/drm/mediatek/mtk_dpi.c

···
 	},
 	{ },
 };
+MODULE_DEVICE_TABLE(of, mtk_dpi_of_ids);
 
 struct platform_driver mtk_dpi_driver = {
 	.probe = mtk_dpi_probe,

drivers/gpu/drm/mediatek/mtk_drm_drv.c

···
 	  .data = &mt8183_mmsys_driver_data},
 	{ }
 };
+MODULE_DEVICE_TABLE(of, mtk_drm_of_ids);
 
 static int mtk_drm_probe(struct platform_device *pdev)
 {

drivers/gpu/drm/mediatek/mtk_dsi.c

···
 	  .data = &mt8183_dsi_driver_data },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, mtk_dsi_of_match);
 
 struct platform_driver mtk_dsi_driver = {
 	.probe = mtk_dsi_probe,

drivers/gpu/drm/mediatek/mtk_hdmi.c

···
 	},
 	{}
 };
+MODULE_DEVICE_TABLE(of, mtk_drm_hdmi_of_ids);
 
 static struct platform_driver mtk_hdmi_driver = {
 	.probe = mtk_drm_hdmi_probe,

drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c

···
 	{ .compatible = "mediatek,mt8173-hdmi-ddc", },
 	{},
 };
+MODULE_DEVICE_TABLE(of, mtk_hdmi_ddc_match);
 
 struct platform_driver mtk_hdmi_ddc_driver = {
 	.probe = mtk_hdmi_ddc_probe,