panfrost: Fix write to free'd memory
No clue how this worked before. Signed-off-by:Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Reviewed-by:
Boris Brezillon <boris.brezillon@collabora.com> Fixes: 82f18b71 ("panfrost: Keep track of active BOs") Cc: mesa-stable Part-of: <!5859> (cherry picked from commit 37d89e0f)