freebsd/Makefile: Disable gudev based plugins
freebsd/Makefile: Disable gudev based plugins

Signed-off-by: Norbert Kamiński <448856965c37e0ceac00017723b6e2e434c1ae24@3mdeb.com>

fwupd/fwupd,fwupd/fwupd,fwupd/fwupd,fwupd/fwupd