tu: tu_device should clean up its global bo

The global buffer object is allocated and mapped during tu_device creation.
Correspondingly it should also be cleaned up during device destruction.

Signed-off-by: Zan Dobersek <zdobersek@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27814>
1 file changed