Adding virtual memory management APIs to rocclr.
The HIP layer will handle virtual allocs on devices.
Change-Id: Ia978f105c2c3fed3959c77580ba228e845105754
Some chunk memory are not guaranteed to be resident during
initial allocation. Use CPDMA to force resident.
Change-Id: If1a2da3e75f136caaa4c7a29d8f604d6af2639fa
Replace amd::Atomic with std::atomic. Remove make_atomic uses by
converting the variable to std::atomic and making sure the memory
order is relaxed when synchronizes-with is not needed.
Delete utils/atomic.hpp.
Change-Id: I0b36db8d604a8510ac6e36b32885fd16a1b8ccfa