virgl: Add missing texture transfer_inline_write

transfer_inline_write cannot be NULL and the virgl renderer doesn't support
inline writes for textures, so add the default version.

This fixes a crash in st_TexSubImage since commit fb9fe352ea41 ("st/mesa:
use transfer_inline_write for memcpy TexSubImage path").

Cc: Marek Olšák <marek.olsak@amd.com>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
1 file changed