By Andreas Rinke and Sarah Marsh BERLIN (Reuters) -Germany’s Social Democrats (SPD) scored a clear victory in a regional election in the state of Saarland on Sunday, according to preliminary results, helping Chancellor Olaf Scholz consolidate his power ahead of other regional votes this year. The centre-left party will have enough seats for an absolute majority in the small western state, the first regional vote since the SPD unexpectedly beat the conservatives in a national election last year after 16 years of rule by Angela Merkel. “Saarland was a first test of the mood after the federal ele…