osmo-bsc-mgcp: Add debian package

Change-Id: I2b0953eb6ea2d92c95406f66ba59e1c2db6be814
diff --git a/debian/osmo-bsc-mgcp.install b/debian/osmo-bsc-mgcp.install
new file mode 100644
index 0000000..1550437
--- /dev/null
+++ b/debian/osmo-bsc-mgcp.install
@@ -0,0 +1 @@
+usr/bin/osmo-bsc_mgcp