radv: bump texel offsets to align with radeonsi

it appears from the amdgpu-pro results the hw can do more,
but let's just align with radeonsi for now.

No CTS regressions.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
1 file changed