oml: encode IPv6 NSVC using the new OML attribute NM_ATT_OSMO_NS_LINK_CFG

The old IE NM_ATT_IPACC_NS_LINK_CFG didn't support IPv6 NSVC.

Depends: Ic261bc43a07fa741b97a9c6ec5a9ed6f5ecae588 (libosmocore)
Depends: I9e279bb20940c66eea5196f281184cb4f8a5cc5f (libosmocore)
Change-Id: I6529876a3c1116a79dd624312243d8ae48a41fe2
diff --git a/tests/nanobts_omlattr/nanobts_omlattr_test.ok b/tests/nanobts_omlattr/nanobts_omlattr_test.ok
index ef46cf9..abdb95e 100644
--- a/tests/nanobts_omlattr/nanobts_omlattr_test.ok
+++ b/tests/nanobts_omlattr/nanobts_omlattr_test.ok
@@ -23,4 +23,9 @@
 expected=2d0b0500020362
 ok.
 
+Testing nanobts_attr_nscv_get()...
+result=  9f00020065fd001629005a3c59e2fd005678901234567890123456789012
+expected=9f00020065fd001629005a3c59e2fd005678901234567890123456789012
+ok.
+
 Done