dmaengine: idxd: convert ats_dis to a wq flag

Make wq attributes access consistent. Convert ats_dis to wq flag
WQ_FLAG_ATS_DISABLE.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Co-developed-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: https://lore.kernel.org/r/20220917161222.2835172-2-fenghua.yu@intel.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>