This patch adds 4 device IDs for CP2102 based devices manufactured by
AC-Services. See http://www.ac-services.eu for further info.
Signed-off-by: NCraig Shelley <craig@microtron.org.uk>
Cc: stable <stable@kernel.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>