45fbe5b192
Sramecc is misreported in kfd 4.0 and prior. To prevent possible corruption due to d16 instructions, deny use of gfx906 with older kfds and correct misreport for gfx908. Denial of gfx906 may be overridden by setting HSA_IGNORE_SRAMECC_MISREPORT=1. Change-Id: I7d5c3a716fad01c348f8b88cd508cedbf914c989