allow larger MGCP client wqueue: 10 -> 1024

Enlarge the MGCP client workqueue maximum limit by factor 100.

During Abis load testing, a BSC trying to DLCX 200 conns at the same time hit
the limit of 10 very very quickly, and everything broke down.

Change-Id: I8980cce37bae0757828b28455b25c77bcb6316d0
1 file changed