Install sample cfg file to /etc/osmocom

Change-Id: I080ae6a4c4f92dd8df055efd25e308f8a3377d34
diff --git a/debian/osmo-bsc-mgcp.install b/debian/osmo-bsc-mgcp.install
index 828fb31..8f9b74f 100644
--- a/debian/osmo-bsc-mgcp.install
+++ b/debian/osmo-bsc-mgcp.install
@@ -1,2 +1,3 @@
+etc/osmocom/osmo-bsc-mgcp.cfg
 lib/systemd/system/osmo-bsc-mgcp.service
 usr/bin/osmo-bsc_mgcp
diff --git a/debian/osmocom-bsc-nat.install b/debian/osmocom-bsc-nat.install
index d6cabe2..ba134d1 100644
--- a/debian/osmocom-bsc-nat.install
+++ b/debian/osmocom-bsc-nat.install
@@ -1,2 +1,3 @@
+/etc/osmocom/osmo-bsc-nat.cfg
 /lib/systemd/system/osmo-bsc-nat.service
 /usr/bin/osmo-bsc_nat
diff --git a/debian/osmocom-bsc-sccplite.install b/debian/osmocom-bsc-sccplite.install
index 67c50cb..872333e 100644
--- a/debian/osmocom-bsc-sccplite.install
+++ b/debian/osmocom-bsc-sccplite.install
@@ -1,2 +1,3 @@
+/etc/osmocom/osmo-bsc-sccplite.cfg
 /lib/systemd/system/osmo-bsc-sccplite.service
 /usr/bin/osmo-bsc-sccplite
diff --git a/debian/osmocom-nitb.install b/debian/osmocom-nitb.install
index 78e8f77..87ed7e2 100644
--- a/debian/osmocom-nitb.install
+++ b/debian/osmocom-nitb.install
@@ -1,3 +1,4 @@
+/etc/osmocom/osmo-nitb.cfg
 /lib/systemd/system/osmo-nitb.service
 /usr/bin/osmo-nitb
 openbsc/contrib/*.py usr/bin/