iommu: fix memory related compilation error for 32bit

fast_smmu_put_dma_cookie not found in arm-smmu.c.
pci_bus_type not found in arm-smmu.c if enable CONFIG_PCI.
parameters not match with dma_common_free_remap declaration.

Change-Id: I1bb942e74d530a0a0a32338627e2f23839dd5a97
Signed-off-by: Qingqing Zhou <qqzhou@codeaurora.org>
Signed-off-by: Tengfei Fan <tengfeif@codeaurora.org>