arm64: defconfig: Enable tegra-apbdma driver

This driver enables the use of the DMA engine from several of the
peripherals found on NVIDIA Tegra SoCs.

Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/configs/defconfig

@@ -171,6 +171,7 @@ CONFIG_RTC_DRV_EFI=y
 CONFIG_RTC_DRV_XGENE=y
 CONFIG_DMADEVICES=y
 CONFIG_QCOM_BAM_DMA=y
+CONFIG_TEGRA20_APB_DMA=y
 CONFIG_VIRTIO_PCI=y
 CONFIG_VIRTIO_BALLOON=y
 CONFIG_VIRTIO_MMIO=y