dmaengine: idxd: Modify ABI documentation for attribute pasid_enabled

Modify the sysfs attribute description in ABI/stable documentation for
the attribute /sys/bus/dsa/devices/dsa0/pasid_enabled.

Signed-off-by: Rex Zhang <rex.zhang@intel.com>
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20230614062823.1743180-1-rex.zhang@intel.com


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