[U-Boot] AT91 Rework

[Jens Scharsig]

Dear Wolfgang Denk,
> 
> Umm... you are quite active for AT91 now - the position of  the  AT91
> is still orphaned; did you ever think about volunteering?
> 
At the moment I'm work for different AT91 (AT91RM9200, AT91SAM9260 and
AT91SAM9360) in timeslot mode. But I am fully costumer driven, so that
it can be, i must switch to complette a other system like PIC and so on
or back to windows.

> 
> I recomment to make this "u32" instead of "ulong".
> 

I will replace this.


> again, please drop at least the parens and the casts.
It will be removed

Best regards,

Jens Scharsig