[EXT] [PATCH v2] common/qat: read hw slice configuration

[Akhil Goyal]

> Read slice configuration of QAT capabilities.
> This will allow to recognize if specific hw function
> is available on particular device.
> 
> Signed-off-by: Arek Kusztal <arkadiuszx.kusztal at intel.com>
Spit the patch into 2.
- common/qat for adding the function pointer and implementation
- crypto/qat for calling that function

Fix checkpatch warnings.