New port: sysutils/dsbmc-cli

dsbmc-cli is a command-line client for DSBMD that provides a simple interface
to query information about storage devices, and to send requests to mount,
unmount and eject these. Furthermore, it can be used as automounter and
autounmounter.

WWW: http://freeshell.de/~mk/projects/dsbmc-cli.html

PR:	220197
Submitted by:	Marcel Kaiser <mk@nic-nac-project.org>
Approved by:	garga (mentor)
Differential Revision:	https://reviews.freebsd.org/D11297

$ portlint -C
looks fine.

$ make index
[...]
--- describe.sysutils ---
--- describe.textproc ---
--- describe.ukrainian ---
--- describe.vietnamese ---
--- describe.www ---
--- describe.x11 ---
--- describe.x11-clocks ---
--- describe.x11-drivers ---
--- describe.x11-fm ---
--- describe.x11-fonts ---
--- describe.x11-servers ---
--- describe.x11-themes ---
--- describe.x11-toolkits ---
--- describe.x11-wm ---
 Done.