dm: tegra: net: Convert tegra boards to driver model for Ethernet

Adjust all Tegra boards to use driver model for Ethernet, now that the
required drivers are converted.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index fbfb204..48a387c 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -3,6 +3,7 @@
 config TEGRA_COMMON
 	bool "Tegra common options"
 	select DM
+	select DM_ETH
 	select DM_GPIO
 	select DM_I2C
 	select DM_KEYBOARD