Add driver for implementing an UAPI for conversion between SYNC_FILE FDs and raw syncpoint ID / value pairs. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Change-Id: I54e30877f782e3e67ca91e09589d0c4862a257cd Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2729238 Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com> GVS: Gerrit_Virtual_Submit