Documentation: qat: change kernel version

Change kernel version from 5.20 to 6.0, as 5.20 is not a release.

Signed-off-by: Meadhbh Fitzpatrick <[e-mail]>
Reviewed-by: Giovanni Cabiddu <[e-mail]>
Reviewed-by: Vladis Dronov <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

Documentation/ABI/testing/sysfs-driver-qat

···
 What:		/sys/bus/pci/devices/<BDF>/qat/state
 Date:		June 2022
-KernelVersion:	5.20
+KernelVersion:	6.0
 Contact:	[e-mail]
 Description:	(RW) Reports the current state of the QAT device. Write to
 		the file to start or stop the device.
···
 
 What:		/sys/bus/pci/devices/<BDF>/qat/cfg_services
 Date:		June 2022
-KernelVersion:	5.20
+KernelVersion:	6.0
 Contact:	[e-mail]
 Description:	(RW) Reports the current configuration of the QAT device.
 		Write to the file to change the configured services.