gprs_ns2_vty: make the `show ns entities` and `show ns binds` look similiar

`show ns binds` prints a count of NSVCs. Add the same line
to `show ns entities`.

Change-Id: I15c58a1c0fe94dda728afb29e7e5ca41e3fa8966
diff --git a/tests/gb/gprs_ns2_vty.vty b/tests/gb/gprs_ns2_vty.vty
index 15e541d..a0b0a7e 100644
--- a/tests/gb/gprs_ns2_vty.vty
+++ b/tests/gb/gprs_ns2_vty.vty
@@ -39,6 +39,7 @@
 OsmoNSdummy(config-ns-nse)# end
 OsmoNSdummy# show ns
 NSEI 01234: UDP, DEAD
+  1 NS-VC:
  NSVCI none: RECOVERING PERSIST data_weight=1 sig_weight=1 udp)[127.0.0.14]:42999<>[127.0.0.15]:9496
 UDP bind: 127.0.0.14:42999 DSCP: 0
   IP-SNS signalling weight: 1 data weight: 1
@@ -52,6 +53,7 @@
 OsmoNSdummy(config-ns-nse)# end
 OsmoNSdummy# show ns
 NSEI 01234: UDP, DEAD
+  3 NS-VC:
  NSVCI none: RECOVERING PERSIST data_weight=0 sig_weight=0 udp)[127.0.0.14]:42999<>[127.0.0.17]:9496
  NSVCI none: RECOVERING PERSIST data_weight=9 sig_weight=0 udp)[127.0.0.14]:42999<>[127.0.0.16]:9496
  NSVCI none: RECOVERING PERSIST data_weight=1 sig_weight=1 udp)[127.0.0.14]:42999<>[127.0.0.15]:9496