In gen/sku specific tests include only required files to reduce
dependency on not related HW scpecific headers and improve build
performance.
This is achieved by reduce in usage of hw_test.h and related collateral,
like shared/source/helpers/definitions/hw_cmds.h which can be replaced
by sku specific hw_cmds_<sku>.h
Signed-off-by: Artur Harasimiuk <artur.harasimiuk@intel.com>
Dates corrected in copyright headers to reflect original publication date
(2018 for OpenCL, 2020 for Level Zero).
Signed-off-by: lgotszal <lukasz.gotszald@intel.com>