turnip: disable tiling for NV12/IYUV formats

The last change to my previous MR to disable UBWC for the formats ended up
breaking a few tests for A640 at least, because tiled-but-not-UBWC can be
broken in some cases.

Fixes: 1a83279da57f2e ("turnip: enable 420_UNORM formats")

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5817>
1 file changed