osmo-bsc.spec.in: Package E1 config files

This resolves:

[  272s] error: Installed (but unpackaged) file(s) found:
[  272s]    /usr/share/doc/packages/osmo-bsc/examples/osmo-bsc/ericsson/osmo-bsc.rbs2308.cfg
[  272s]    /usr/share/doc/packages/osmo-bsc/examples/osmo-bsc/nokia/osmo-bsc.insite.cfg
[  272s]    /usr/share/doc/packages/osmo-bsc/examples/osmo-bsc/siemens/osmo-bsc.bs11.cfg

Change-Id: I07329564152d6b4314f1ed90a221478e2d765b47
diff --git a/contrib/osmo-bsc.spec.in b/contrib/osmo-bsc.spec.in
index 1d44940..1120bf7 100644
--- a/contrib/osmo-bsc.spec.in
+++ b/contrib/osmo-bsc.spec.in
@@ -124,6 +124,7 @@
 %{_docdir}/%{name}/examples/osmo-bsc/osmo-bsc.cfg
 %{_docdir}/%{name}/examples/osmo-bsc/osmo-bsc_custom-sccp.cfg
 %{_docdir}/%{name}/examples/osmo-bsc/osmo-bsc-minimal.cfg
+%{_docdir}/%{name}/examples/osmo-bsc/*/osmo-bsc*.cfg
 %dir %{_sysconfdir}/osmocom
 %config(noreplace) %{_sysconfdir}/osmocom/osmo-bsc.cfg
 %{_unitdir}/%{name}.service