[PATCH] powerpc: Add Marvell mv64x60 udbg putc/getc functions

[Paul Mackerras]

Dale Farnsworth writes:

> Paul, this patch is unchanged from the one I posted 10 days ago.
> At that time, I saw no discussion, other than Mark's ACK.  I'd 
> argue that this is a bugfix, and hope that it could go into 2.6.22.

Um, it seems rather large, and in particular adds a fair bit of
completely new code.  Is there a simpler way of getting to an
acceptable point - e.g. just not use the udbg console on these boards?
If we don't have udbg support for them then the udbg console would
seem a bit pointless, no?

Paul.