media: hantro: sunxi: Fix VP9 steps

It turns out that postproc on Allwinner H6 needs width and height to be
multiple of 32.

Fixes: 86790a4f ("media: hantro: Add support for Allwinner H6")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/staging/media/hantro/sunxi_vpu_hw.c

@@ -29,10 +29,10 @@ static const struct hantro_fmt sunxi_vpu_dec_fmts[] = {
 		.frmsize = {
 			.min_width = 48,
 			.max_width = 3840,
-			.step_width = MB_DIM,
+			.step_width = 32,
 			.min_height = 48,
 			.max_height = 2160,
-			.step_height = MB_DIM,
+			.step_height = 32,
 		},
 	},
 };