This patch adds support for the most recent Digi EdgePort USB serial
devices.
Signed-off-by: NMartin K. Petersen <mkp@mkp.net>
Signed-off-by: NMike Swift <mikes@digi.com>
Signed-off-by: NJeremy McBane <jmcbane@digi.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>