drm/amdkfd: bump KFD version for unified ctx save/restore memory

To expose unified memory for ctx save/resotre area feature
availablity to libhsakmt.

Proposed userspace:
https://patchwork.freedesktop.org/series/106218/



Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>