Integrate seco-base/tpog/add_ls_check
Commit: https://git.seco.com/edgehog/seco-base/-/commit/89ea6161bdde9ec4f2de8752ff3c52c155c1b8f7
[CONFIGURATOR] Add check before parsing custom defconfigs
If a custom layer does not have custom defconfigs, the configurator throws an error. Added a check before parsing the custom defconfigs folder to prevent the error.