parport_serial: Add support for the WCH353 2S/1P multi-IO card

To allow parport_serial to handle the card the same PCI ids are blacklisted
in 8250_pci.c using the existing software blacklist mechanism.

The blacklist array is also renamed because it now covers this new use
case.

Since the two serial ports are auto-detected as XScale instead of 16550A
clones, we also add a quirk to 8250_pci.c to skip autodetection and set the
correct port type.

Signed-off-by: Gianluca Anzolin <gianluca@sottospazio.it>
[Fold in fixes for the uart_8250 change]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>