panfrost: Pass the sampler view format when creating a tex descriptor

panfrost: Pass the sampler view format when creating a tex descriptor

A sampler can use a different format than the native texture format.
Let's pass the sampler format instead of the native texture format when
creating a texture descriptor.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4101>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4101>