iommu/fsl_pamu: remove the rpn and snoop_id arguments to pamu_config_ppaac

These are always wired to fixed values, so don't bother passing them as
arguments.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210401155256.298656-13-hch@lst.de


Signed-off-by: Joerg Roedel <jroedel@suse.de>