dt-bindings: leds: aw200xx: Remove property "awinic,display-rows"

Get rid of the property "awinic,display-rows" and calculate it
in the driver using led definition nodes.

Signed-off-by: George Stark <gnstark@salutedevices.com>
Signed-off-by: Dmitry Rokosov <ddrokosov@salutedevices.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231125200519.1750-6-ddrokosov@salutedevices.com


Signed-off-by: Lee Jones <lee@kernel.org>