Summary: had merged wrong spi dev to master. reverting.
How
Mistakenly I thought new carrier board for light gateway and old hat are same. Modified spidev to make old hat work with pi zero but that is not the case. New carrier board uses spi1 for concentrator.
This reverts commit 40a07c9301f665648cd09d2ab9154a4e4a25ff5c.
Issue
How Mistakenly I thought new carrier board for light gateway and old hat are same. Modified spidev to make old hat work with pi zero but that is not the case. New carrier board uses spi1 for concentrator.
Screenshots
References
Checklist