L1SAP: do not pass unused parameter to l1sap_handover_rach()
L1SAP: do not pass unused parameter to l1sap_handover_rach()

Change-Id: I7f2d909f1bde09cbec106240df290381b3418e46

osmocom/osmo-bts,osmocom/osmo-bts,osmocom/osmo-bts