Integrate osmo-{bts,pcu}-oc2g

Change-Id: I446e27039f75e63c2870d751c190a4fd76947000
diff --git a/example/defaults.conf b/example/defaults.conf
index 3de5e29..353cf9b 100644
--- a/example/defaults.conf
+++ b/example/defaults.conf
@@ -87,3 +87,8 @@
 
 osmo_bts_virtual:
   max_trx: 1
+
+osmo_bts_oc2g:
+  max_trx: 1
+  trx_list:
+  - nominal_power: 25