[PATCH] drm/mediatek: make mtk_hdmi_ddc_v2_driver static

[sunliming]

From: sunliming <sunlim...@kylinos.cn>

Fix below sparse warnings:
drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c:384:24: sparse: sparse: symbol
'mtk_hdmi_ddc_v2_driver' was not declared. Should it be static?

Fixes: 8d0f79886273 ("drm/mediatek: Introduce HDMI/DDC v2 for MT8195/MT8188")
Reported-by: kernel test robot <l...@intel.com>
Signed-off-by: sunliming <sunlim...@kylinos.cn>
---
 drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c 
b/drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c
index d937219fdb7e..31e81a6de6d8 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_ddc_v2.c
@@ -389,7 +389,7 @@ static const struct of_device_id mtk_hdmi_ddc_v2_match[] = {
 };
 MODULE_DEVICE_TABLE(of, mtk_hdmi_ddc_v2_match);
 
-struct platform_driver mtk_hdmi_ddc_v2_driver = {
+static struct platform_driver mtk_hdmi_ddc_v2_driver = {
        .probe = mtk_hdmi_ddc_v2_probe,
        .driver = {
                .name = "mediatek-hdmi-ddc-v2",
-- 
2.43.0