arm64: defconfig: Enable Tegra PCI controller

The driver has supported the 64-bit Tegra210 for a while now, so enable
it in the defconfig.
Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/configs/defconfig

@@ -72,6 +72,7 @@ CONFIG_PCIE_QCOM=y
 CONFIG_PCIE_KIRIN=y
 CONFIG_PCIE_ARMADA_8K=y
 CONFIG_PCI_AARDVARK=y
+CONFIG_PCI_TEGRA=y
 CONFIG_PCIE_RCAR=y
 CONFIG_PCIE_ROCKCHIP=m
 CONFIG_PCI_HOST_GENERIC=y