mikromk2: expose grid feedback through params
mikromk2: expose grid feedback through params

This commit adds info on the grid feedback light-ids using
the item_t params array. The info can be used to connect
events and wrap them back to the device automatically.

Signed-off-by: Harry van Haaren <6e1296516ee88185cd60d9725251227ece1af74d@gmail.com>

openAVproductions/openAV-Ctlra