[WESTON-INIT][MTK] Adjust condition when fix is applied

This fix needs to be applied only to Genio based boards. Machine override is a more stable condition than machine name. E.g. in custom projects the machine name can be different than seco-genio-*, but the override is always populated from meta-layer https://git.seco.com/clea-os/layers/seco/meta-seco-mtk/-/blob/oleksii/e58_revb/conf/machine/include/seco-genio-common.inc#L8