[CONFIGS][C72NL] Add configuration files for Embedded and Things flavours
These configurations handle the Nano Lite version of the C72 board (see https://git.seco.com/edgehog/layers/seco/meta-seco-imx/-/merge_requests/207 for details)
These configurations handle the Nano Lite version of the C72 board (see https://git.seco.com/edgehog/layers/seco/meta-seco-imx/-/merge_requests/207 for details)