ttcn3-pcu-test/sns: add configuration for 2nd and 3rd nsvc
With the change to NS_Provider the configruation has to be extended to also include
the other nsvcs.
osmo-ttcn3-hacks: c316572db111 ("RAW_NS: rework NS connection to use NS_Provider")
Change-Id: I8020f808c06054ee38427de65b8c3867817d4ad2