[coreboot] pci device memory allocation problem

[aaron lwe]

> You just need to add a Signed-Off-By as stated in the development
>  guidelines. In the mean time I will test it and if all goes well you'll get
>  my Acked-by, and then it can be commited.
>
Oh, I see.

Signed-off-by: Aaron Lwe <aaron.lwe at gmail.com>

Thanks.