cc_ssh: sshd is not enabled on *BSD

This bug was originally filed in Launchpad as [LP: #1989743](https://bugs.launchpad.net/cloud-init/+bug/1989743)

Launchpad details

affected_projects = []

assignee = None

assignee_name = None

date_closed = None

date_created = 2022-09-15T16:09:52.961199+00:00

date_fix_committed = None

date_fix_released = None

id = 1989743

importance = medium

is_complete = False

lp_url = https://bugs.launchpad.net/cloud-init/+bug/1989743

milestone = None

owner = minagalic

owner_name = Mina Galić

private = False

status = triaged

submitter = minagalic

submitter_name = Mina Galić

tags = []

duplicates = []

_Launchpad user **Mina Galić(minagalic)** wrote on 2022-09-15T16:09:52.961199+00:00_

Most BSD systems don't come with many services enabled, so taking a standard FreeBSD VM image and putting cloud-init on it will generate SSH keys, but it won't enable sshd

I reckon we can use distros.rhel_util to set `sshd_enable=YES`

We can then start the service or rely on a reboot.