serial: 8250_pnp - add Fujitsu Wacom device

Add Fujitsu Wacom 1FGT Tablet PC device

Signed-off-by: Ping Cheng <pingc@wacom.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>