drm/amdkfd: Bump KFD ioctl version

This is not strictly a change in the IOCTL API. This version bump is meant
to indicate to user mode the presence of a number of changes and fixes
that enable the management of VA mappings in compute VMs using the GEM_VA
ioctl for DMABufs exported from KFD.

Signed-off-by: Felix Kuehling <felix.kuehling@amd.com>
Reviewed-by: Xiaogang <Chen&lt;Xiaogang.Chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>