[U-Boot] [Patch ARM/AT91] remove __attribute__ ((packed)) in at91 headers

[Reinhard Meyer]

Dear Jens Scharsig,
> * remove __attribute__ ((packed)) to prevent byte access 
>   to soc registers in some gcc version
> 
> Signed-off-by: Jens Scharsig <js_at_ng at scharsoft.de>
> ---

Applied to u-boot-atmel/next.

Thanks,

Reinhard