bts: add configs for running without docker

Base on docker-playground.git's ttcn3-bts-test/*.cfg files, change IPs
from 172.18.9.* to 127.0.0.* (last octet unchanged).

Change-Id: I9eb2bb4599a4e874424f73483d9658a4467b8b8c
diff --git a/bts/osmo-bts.cfg b/bts/osmo-bts.cfg
new file mode 100644
index 0000000..a9867bf
--- /dev/null
+++ b/bts/osmo-bts.cfg
@@ -0,0 +1,57 @@
+!
+! OsmoBTS (0.4.0.446-e0fb) configuration saved from vty
+!!
+!
+log gsmtap 127.0.0.10
+ logging level set-all debug
+!
+log stderr
+ logging filter all 1
+ logging color 0
+ logging print category 1
+ logging timestamp 1
+ logging print extended-timestamp 1
+ logging level set-all debug
+!
+line vty
+ no login
+ bind 127.0.0.20
+!
+e1_input
+ e1_line 0 driver ipa
+ e1_line 0 port 0
+ no e1_line 0 keepalive
+phy 0
+ osmotrx ip local 127.0.0.20
+ osmotrx ip remote 127.0.0.21
+ osmotrx fn-advance 20
+ osmotrx rts-advance 5
+ instance 0
+  osmotrx rx-gain 10
+  osmotrx tx-attenuation 0
+bts 0
+ band DCS1800
+ ipa unit-id 1234 0
+ oml remote-ip 127.0.0.11
+ rtp jitter-buffer 100
+ paging queue-size 200
+ paging lifetime 0
+ uplink-power-target -75
+ gsmtap-sapi rach
+ gsmtap-sapi agch
+ gsmtap-sapi bcch
+ gsmtap-sapi pch
+ gsmtap-sapi sdcch
+ gsmtap-sapi sacch
+ min-qual-rach 50
+ min-qual-norm -5
+ !settsc
+ pcu-socket /tmp/pcu_sock
+ trx 0
+  power-ramp max-initial 0 mdBm
+  power-ramp step-size 2000 mdB
+  power-ramp step-interval 1
+  ms-power-control dsp
+  phy 0 instance 0
+ctrl
+ bind 127.0.0.20