[PATCH] fix xmon input on 440

[Milton Miller]

On Sat Sep 15 06:44:47 EST 2007, Hollis Blanchard wrote:

> Implement udbg_getc() for 440, which fixes xmon input.
> Signed-off-by: Hollis Blanchard <hollisb at us.ibm.com>

>         udbg_putc = udbg_44x_as1_putc;
> +       udbg_getc = udbg_44x_as1_getc;

How about adding udbg_getc_poll as well?

While there are no in-tree users, we can use it for console input later.

milton