It is unnecessary, and libbsd uses the "BSD-4-Clause" license, which can
be problematic.
To make it deterministic, a patch is introduced to allow libbsd support
to be disabled. It resembles similar patches in, e.g., libldb,
libtalloc, libtdb and libtevent.
Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>