fix: Enable Realtek networking to Jetson

This driver was originally included with the Jetson image, but was
dropped when we moved to Kconfig.

Signed-off-by: Jake Garver <jake@nvidia.com>
Reviewed-by: Ashish Singhal <ashishsingha@nvidia.com>
Tested-by: Ashish Singhal <ashishsingha@nvidia.com>

Platform/NVIDIA/Jetson/Jetson.defconfig

@@ -15,6 +15,7 @@ CONFIG_UFS=y
 CONFIG_SATA=y
 CONFIG_NETWORKING_DEVICE_NVIDIA=y
 CONFIG_NETWORKING_DEVICE_ASIX=y
+CONFIG_NETWORKING_DEVICE_REALTEK=y
 CONFIG_FS_EXT4=y
 CONFIG_NVIDIA_DISPLAY=y
 CONFIG_IPMI_BMC=y