bts/osmo-bts.cfg: reduce {DPCU,DLIMB} logging verbosity

Change-Id: Ieb0768ac0db4d79eb45ca41dea941284cc55f407
diff --git a/bts/osmo-bts.cfg b/bts/osmo-bts.cfg
index 6bd22bf..e80f51b 100644
--- a/bts/osmo-bts.cfg
+++ b/bts/osmo-bts.cfg
@@ -22,10 +22,10 @@
  logging level pag info
  logging level l1c info
  logging level dsp info
- logging level pcu debug
+ logging level pcu info
  logging level trx info
  logging level osmux info
- logging level lmib debug
+ logging level lmib info
  logging level lmux info
 !
 line vty