Create the tty device after the port is completely initialized

This fixes a race with a tty open before the host is the ready.

MFC after:	1 month


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274063 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Remove MAINTAINER line for binutils. It has not been maintained by
obrien since 2008.

Approved by:	core


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274064 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f