GitLab

Signed-off-by: Sam Voss <sam.voss@collins.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
[yann.morin.1998@free.fr:
  - introduce BUSYBOX_INSTALL_TELNET_SERVICE
  - move _INSTALL_INIT_SYSTEMD alphabetically between openrc and sysv
  - drop the comment about Type=simple  (Arnout)
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>