Fix VP9 configuration in mtk-vcodec-mt8167

The minimum width/height should be multiples of the step size. Fix the
configuration following MT8173 implementation.

Bug: 164147474
Change-Id: Ibde617623e4c36990f4a7829e056644306081e22
diff --git a/drivers/media/platform/mtk-vcodec-mt8167/mtk_vcodec_dec.c b/drivers/media/platform/mtk-vcodec-mt8167/mtk_vcodec_dec.c
index 6c9fb84..72e1254f 100644
--- a/drivers/media/platform/mtk-vcodec-mt8167/mtk_vcodec_dec.c
+++ b/drivers/media/platform/mtk-vcodec-mt8167/mtk_vcodec_dec.c
@@ -73,7 +73,8 @@
 	},
 	{
 		.fourcc	= V4L2_PIX_FMT_VP9,
-		.stepwise = {  1, MTK_VDEC_MAX_W, 16, 1, MTK_VDEC_MAX_H, 16 },
+		.stepwise = {  MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
+				MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
 	},
 };