drm/ttm: remove unnecessary save_flags and ttm_flag_masked in ttm_bo_util.c

Signed-off-by: Austin Yuan <shengquan.yuan@gmail.com>
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
1 file changed