I was able to get it to work by copying the spi-bcm2835-overlay.dtb
from: /boot/dtb-4.2.3-2-osmc/overlays
to: /boot/overlays
I was able to get it to work by copying the spi-bcm2835-overlay.dtb
from: /boot/dtb-4.2.3-2-osmc/overlays
to: /boot/overlays