Merge branch 'p2p' of https://github.com/AMDComputeLibraries/HIP-privatestaging into p2p

Conflicts:
	RELEASE.md
	include/hcc_detail/hip_hcc.h
	samples/1_Utils/hipInfo/hipInfo.cpp
	src/hip_hcc.cpp
	src/hip_peer.cpp


[ROCm/hip commit: 31dc13d2ec]

projects/hip/include/hcc_detail/hip_hcc.h

@@ -38,7 +38,6 @@ THE SOFTWARE.
 // Compile peer-to-peer support.
 // >= 2 : use HCC hc:accelerator::get_is_peer
 // >= 3 : use hc::am_memtracker_update_peers(...)
-#define USE_PEER_TO_PEER 1
 
 // Use new lock API in HCC:
 #define USE_HCC_LOCK 0