cfdacab32f
Major change to existing code base.
Ctx holds streams, enables peers, and flags.
Device holds accelerator, hsa-agent, device props.
Add hipCtx_t.
Add peer APIs that accept hipCtx_t (in addition to deviceId)
Compiles and passes directed tests.
Change-Id: Iddab1eb9edbf90caad2ef5959c6b811d658197f1