powerpc/fsl-pci: enable SWIOTLB in function setup_pci_atmu
This function contains all the stuff we need to check if SWIOTLB should be enabled or not. So it is more convenient to enable the SWIOTLB here than later. Signed-off-by: Kevin Hao <haokexin@gmail.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
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