Reimport dts files from vendor repo now that it has been properly
trimmed.


git-svn-id: svn+ssh://svn.freebsd.org/base/head@271143 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sh: Allow enabling job control without a tty in non-interactive mode.

If no tty is available, 'set -m' is still useful to put jobs in their own
process groups.


git-svn-id: svn+ssh://svn.freebsd.org/base/head@271144 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Fix a bug which prevented mount.fstab parameter from being converted
when jail_JID_devfs_enable=NO.

Spotted by:	peter


git-svn-id: svn+ssh://svn.freebsd.org/base/head@271145 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f