serial: 8250_exar: add support for ACCES cards

Add ACCES VIDs and PIDs that use the Exar chips

Signed-off-by: Jay Dolan <jay.dolan@accesio.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200305140504.22237-1-jay.dolan@accesio.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>