949f8fc7aa
According env setting HSA_XNACK=1 or 0, set XNACK mode ON or OFF to run
KFDSVMRangeTest and KFDSVMEvictTest. If HSA_XNACK is not defined, use
system boot-time XNACK mode setting.
Restore to the original XNACK mode when test finished.
Change-Id: Ia896a1b0a90854646c8a79acca38a7d46098efde
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
[ROCm/ROCR-Runtime commit: 23ec6e880e]