In several places aql packets were written to queue all at once
instead of doing the header atomically. These cases have been
fixed.
There were a few hsa_signal leaked that have been addressed.
There was some duplication of code that has been addressed.
Addresses ROCMOPS-456
Change-Id: Ia1869bc370f92e49ac560301df47741d5f76978e
Sean Keely
Chris Freehill
rohit pathania