1.Test staging buffer copy when there is no P2P capabilities
2.Enable PeerAccess correctly for P2P copy
Change-Id: Ic0b75a60c8a763f3cfe68fbd92656fbfb4c207bc
[ROCm/hip-tests commit: d1d8b1e08e]
Migrated all hipMemcpy related APIs to CATCH2 framework by optmizing
the code and moving the stress related tests to stress folder.
Change-Id: Id47669b49304c35d1a68fabdaaf3f6e3ab0428a5
[ROCm/hip-tests commit: 18591bc68f]