media: mtk-vcodec: Support VP9 profile in decoder

Add V4L2_CID_MPEG_VIDEO_VP9_PROFILE control in MediaTek decoder's
driver. MediaTek decoder only supports profile 0 for now.
Signed-off-by: Keiichi Watanabe <keiichiw@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c

@@ -1400,6 +1400,11 @@ int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx)
 				V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
 				0, 32, 1, 1);
 	ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+	v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl,
+				&mtk_vcodec_dec_ctrl_ops,
+				V4L2_CID_MPEG_VIDEO_VP9_PROFILE,
+				V4L2_MPEG_VIDEO_VP9_PROFILE_0,
+				0, V4L2_MPEG_VIDEO_VP9_PROFILE_0);
 
 	if (ctx->ctrl_hdl.error) {
 		mtk_v4l2_err("Adding control failed %d",