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>

Documentation/ABI/stable/sysfs-driver-dma-idxd

@@ -84,7 +84,7 @@ What:		/sys/bus/dsa/devices/dsa<m>/pasid_enabled
 Date:		Oct 27, 2020
 KernelVersion:	5.11.0
 Contact:	dmaengine@vger.kernel.org
-Description:	To indicate if PASID (process address space identifier) is
+Description:	To indicate if user PASID (process address space identifier) is
 		enabled or not for this device.
 
 What:           /sys/bus/dsa/devices/dsa<m>/state