nat: Use libctrl and add command forwarding to osmo-bsc
Passes commands beginning with "bsc.<num>" to the bsc that is
responsible for LAC <num>.
diff --git a/openbsc/src/osmo-bsc_nat/Makefile.am b/openbsc/src/osmo-bsc_nat/Makefile.am
index 03fe62b..eea720e 100644
--- a/openbsc/src/osmo-bsc_nat/Makefile.am
+++ b/openbsc/src/osmo-bsc_nat/Makefile.am
@@ -12,4 +12,5 @@
$(top_builddir)/src/libbsc/libbsc.a \
$(top_builddir)/src/libabis/libabis.a \
$(top_builddir)/src/libtrau/libtrau.a \
+ $(top_builddir)/src/libctrl/libctrl.a \
-lrt $(LIBOSMOSCCP_LIBS)