drm/amdkfd: Remove unused function busy_wait()

Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Oded Gabbay 2015-01-15 12:04:10 +02:00
commit c51841fbbb