Remove v0.6.x files

Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Add ubuntu kernel packages for kfd-v0.8

Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Update README.md to match kfd-v0.8 release

Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Add libhsakmt libraries

Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>