Add support for configuring ccs mode for all applicable devices
before KMD is loaded.
Use ZEX_NUMBER_OF_CCS to configure ccs mode.
Format is as follows:
ZEX_NUMBER_OF_CCS=NumberOfCcs i,e Setting ZEX_NUMBER_OF_CCS
to 4 sets ccs mode to 4 for all devices for which configuration
is supported.
Related-To: NEO-10378
Signed-off-by: Bellekallu Rajkiran <bellekallu.rajkiran@intel.com>