[PATCH RESEND] [11/11] pasemi_mac: enable iommu support

[Jeff Garzik]

Olof Johansson wrote:
> pasemi_mac: enable iommu support
> 
> Enable IOMMU support for pasemi_mac, but avoid using it on non-partitioned
> systems for performance reasons.
> 
> The user can override this by selecting the PPC_PASEMI_IOMMU_DMA_FORCE
> configuration option.
> 
> Signed-off-by: Olof Johansson <olof at lixom.net>

applied