arm64: configs: enable PCIe driver for Aardvark

This patch enables the driver for the PCIe host controller found on the
Marvell Armada 3700 ARM64 SoCs.
Signed-off-by: NGregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm64/configs/defconfig

@@ -58,6 +58,7 @@ CONFIG_ARCH_ZYNQMP=y
 CONFIG_PCI=y
 CONFIG_PCI_MSI=y
 CONFIG_PCI_IOV=y
+CONFIG_PCI_AARDVARK=y
 CONFIG_PCIE_RCAR=y
 CONFIG_PCI_HOST_GENERIC=y
 CONFIG_PCI_XGENE=y