Correct the prime and silver cores mapping. Enable the smmu's iommu-dma-addr-pool to reduce memory usage. Enable the smmu's dma-coherent. Change-Id: I4c28c48b59cc8cf4159969f89d7983d574921a4f Signed-off-by: Bao D. Nguyen <quic_nguyenb@quicinc.com>