vty: Allow setting LAC as hexadecimal value

The LAC value currently configured is now printed as hexadecimal value
too.
It can still be entered as a decimal value in order to keep backward
compatibility, though the hexadecimal one is now preferred.

Related: OS#5631
Depends: libosmocore.git Ia2b7fbbf5502c28374c21dbff548232680da27d4
Change-Id: I9090d73ae9d39244b79b9dbafa1b164faebabc52
---
M TODO-RELEASE
M doc/examples/osmo-bsc/ericsson/osmo-bsc.dug20-rus01-4trx.cfg
M doc/examples/osmo-bsc/ericsson/osmo-bsc.dug20-rus02-4trx.cfg
M doc/examples/osmo-bsc/ericsson/osmo-bsc.dug20-rus02-8trx.cfg
M doc/examples/osmo-bsc/ericsson/osmo-bsc.rbs2308.cfg
M doc/examples/osmo-bsc/nokia/osmo-bsc.insite.cfg
M doc/examples/osmo-bsc/osmo-bsc-4trx.cfg
M doc/examples/osmo-bsc/osmo-bsc-minimal.cfg
M doc/examples/osmo-bsc/osmo-bsc.cfg
M doc/examples/osmo-bsc/osmo-bsc_custom-sccp.cfg
M doc/examples/osmo-bsc/siemens/osmo-bsc.bs11.cfg
M doc/manuals/chapters/bts-examples.adoc
M doc/manuals/chapters/bts.adoc
M doc/manuals/chapters/handover.adoc
M src/osmo-bsc/bts_vty.c
M tests/ctrl/osmo-bsc-apply-config-file.cfg
M tests/ctrl/osmo-bsc-neigh-test.cfg
M tests/handover/handover_test.c
M tests/nanobts_omlattr/nanobts_omlattr_test.c
M tests/neighbor_ident.vty
20 files changed, 45 insertions(+), 46 deletions(-)