[RFC] powerpc: experimental of serial port driver

[Benjamin Herrenschmidt]

> I can't tell if it was ever merged, but it doesn't look like it.
> My driver is only meaningful for platforms that use the new style
> of_platform_device autoprobing. It will make the serial ports
> show up correctly in sysfs, even if they were not detected by
> the legacy_serial code we use for 8250 style console ports. This
> should be the same thing we do for 8250 PCI ports when the
> 8250_pci driver.

We sill need to fixup legacy_serial to detect them on opb right ?

Ben.