feat(fvp): change size of PCIe memory region 2

Change size of PCIe memory region 2 from 256GB
to 3GB to fit in 1TB of GPT PPS.

Change-Id: Ic769bb784dd17d390b54ccef53b7788334373cb4
Signed-off-by: AlexeiFedorov <Alexei.Fedorov@arm.com>
diff --git a/fdts/fvp-base-psci-common.dtsi b/fdts/fvp-base-psci-common.dtsi
index ff3a6ba..95ea2a1 100644
--- a/fdts/fvp-base-psci-common.dtsi
+++ b/fdts/fvp-base-psci-common.dtsi
@@ -259,7 +259,8 @@
 		device_type = "pci";
 		reg = <0x0 0x40000000 0x0 0x10000000>;
 		ranges = <0x2000000 0x0 0x50000000 0x0 0x50000000 0x0 0x10000000>,
-			 <0x2000000 0x40 0x00000000 0x40 0x00000000 0x40 0x00000000>;
+			/* First 3GB of 256GB PCIe memory region 2 */
+			 <0x2000000 0x40 0x00000000 0x40 0x00000000 0x0 0xc0000000>;
 		interrupt-map = <0 0 0 1 &gic 0 0 GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
 				<0 0 0 2 &gic 0 0 GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>,
 				<0 0 0 3 &gic 0 0 GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,