logging: use 'logging level all' instead of 'logging set log level'

'logging level' can already parse a human-readable level such as
'debug' or 'notice'.  By setting the global mask within the same
command we can also parse it there.
1 file changed
tree: 26566aed80acb486fe2bcae48da14cfcb6c34b30
  1. hlrsync/
  2. libosmocore/
  3. linux-kernel/
  4. openbsc/
  5. rrlp-ephemeris/
  6. wireshark/