SCOM 2016 support SQL Server 2016SP1
Currently SCOM 2016 does NOT support SP1. SP1 touts consistent programmability across SQL Server editions. This should also benefit the development team to streamline customizations.
SCOM 2016 supports SQL Server 2016 SP1.
SQL Server requirements documentation: https://docs.microsoft.com/en-us/system-center/scom/plan-sqlserver-design?view=sc-om-2016#sql-server-requirements
Alistair Ross [MSFT] commented
SQL Server 2016 SP1 is now supported. Documentation still pending Update