arm64: dts: fvp: Enable PCIe ATS for Base RevC FVP

Declare that the host controller supports ATS, so the OS can enable it
for ATS-capable PCIe endpoints.

Acked-by: Sudeep Holla <[email protected]>
Signed-off-by: Jean-Philippe Brucker <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>

Author: jpbrucker

arch/arm64/boot/dts/arm/fvp-base-revc.dts

@@ -243,6 +243,7 @@
 		iommu-map = <0x0 &smmu 0x0 0x10000>;
 
 		dma-coherent;
+		ats-supported;
 	};
 
 	smmu: iommu@2b400000 {