stp/osmo-stp.cfg: tune the logging formatting

Change-Id: Ieafa0599246f40958be6333512b7c41379b38a20
diff --git a/stp/osmo-stp.cfg b/stp/osmo-stp.cfg
index 5f67dff..13b1b71 100644
--- a/stp/osmo-stp.cfg
+++ b/stp/osmo-stp.cfg
@@ -4,11 +4,12 @@
 !
 log stderr
  logging filter all 1
- logging color 1
- logging print category-hex 1
+ logging print file basename last
+ logging print category-hex 0
  logging print category 1
+ logging print level 1
  logging timestamp 0
- logging print file 1
+ logging color 1
  logging level lglobal notice
  logging level llapd notice
  logging level linp notice