02666ec0f1
Passing 0 into num_cu_mask_count used to be an implicit error. This has been repurposed as a short hand for enabling all CUs. Enabling all CUs when HSA_CU_MASK is set will cause the CU mask to reset to whatever was set by HSA_CU_MASK which may then be queried. Change-Id: I1d6bb2034595a78ee48fa72aa05563e8ea6c0fff