hnodeb: Updates in HNBLLIF and HNBGW_COnnectioNHandler to support and test IuUP

Depends: osmo-hnodeb.git Change-Id Ibe356fa7b1abaca0091e368db8478e79c09c6cb0
Related: SYS#5516
Change-Id: I19612fce8190dfe14f98d346adb5db4e1c2a08d9
4 files changed