Add constant CONNECTION_LIMIT_UNLIMITED which indicates a service
has no connection limit
Change-Id: I008d31264010c25fa44ca74eb6d5740eca38bee1
Signed-off-by: Austin Morton <austinpmorton@gmail.com>
Reviewed-on: http://openocd.zylin.com/2937
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>