src: use new library libosmogsm and new path to headers in libosmocore

libosmogsm is a new library that is distributed in the libosmocore.
Now, openbsc depends on it. This patch gets openbsc with this
change.

This patch also rewrites all include path to the new
osmocom/[gsm|core]

Signed-off-by: Pablo Neira Ayuso <pablo@gnumonks.org>
diff --git a/openbsc/src/osmo-bsc/osmo_bsc_vty.c b/openbsc/src/osmo-bsc/osmo_bsc_vty.c
index 1667742..6e9507d 100644
--- a/openbsc/src/osmo-bsc/osmo_bsc_vty.c
+++ b/openbsc/src/osmo-bsc/osmo_bsc_vty.c
@@ -22,7 +22,7 @@
 #include <openbsc/osmo_msc_data.h>
 #include <openbsc/vty.h>
 
-#include <osmocore/talloc.h>
+#include <osmocom/core/talloc.h>
 
 
 #define IPA_STR "IP.ACCESS specific\n"