bsc_main: Use LOG_TRX in log line

Change-Id: I88b5f572cb2bae8ffa551789e2c344ec2ebb7e7b
diff --git a/src/osmo-bsc/osmo_bsc_main.c b/src/osmo-bsc/osmo_bsc_main.c
index 4f9bc18..ada6047 100644
--- a/src/osmo-bsc/osmo_bsc_main.c
+++ b/src/osmo-bsc/osmo_bsc_main.c
@@ -291,10 +291,9 @@
 {
 	unsigned int i;
 
-	LOGP(DRSL, LOGL_NOTICE, "bootstrapping RSL for BTS/TRX (%u/%u) "
+	LOG_TRX(trx, DRSL, LOGL_NOTICE, "bootstrapping RSL "
 		"on ARFCN %u using MCC-MNC %s LAC=%u CID=%u BSIC=%u\n",
-		trx->bts->nr, trx->nr, trx->arfcn,
-		osmo_plmn_name(&bsc_gsmnet->plmn),
+		trx->arfcn, osmo_plmn_name(&bsc_gsmnet->plmn),
 		trx->bts->location_area_code,
 		trx->bts->cell_identity, trx->bts->bsic);