Use uniform log format for default config files

Related: OS#6272
Change-Id: I0d0042aa37da887afa0e9a5060cfbacaec23ed0a
diff --git a/doc/examples/osmo-pcu.cfg b/doc/examples/osmo-pcu.cfg
index 4a3842d..1459826 100644
--- a/doc/examples/osmo-pcu.cfg
+++ b/doc/examples/osmo-pcu.cfg
@@ -1,3 +1,11 @@
+log stderr
+ logging color 1
+ logging print category-hex 0
+ logging print category 1
+ logging timestamp 0
+ logging print file basename last
+ logging print level 1
+
 pcu
  flow-control-interval 10
  cs 2
diff --git a/doc/examples/osmo-pcu.e1_ccu.cfg b/doc/examples/osmo-pcu.e1_ccu.cfg
index 01f9b09..359f1d9 100644
--- a/doc/examples/osmo-pcu.e1_ccu.cfg
+++ b/doc/examples/osmo-pcu.e1_ccu.cfg
@@ -1,3 +1,11 @@
+log stderr
+ logging color 1
+ logging print category-hex 0
+ logging print category 1
+ logging timestamp 0
+ logging print file basename last
+ logging print level 1
+
 pcu
  flow-control-interval 10
  cs 2