dt-bindings: arm: amlogic: add libretech cottonwood support

Add compatibles for the Libretech cottonwood board family

Co-developed-by: Da Xue <da.xue@libretech.co>
Signed-off-by: Da Xue <da.xue@libretech.co>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20231006103500.2015183-2-jbrunet@baylibre.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

Author: jbrun3t

Documentation/devicetree/bindings/arm/amlogic.yaml

@@ -155,6 +155,7 @@ properties:
           - enum:
               - bananapi,bpi-m2s
               - khadas,vim3
+              - libretech,aml-a311d-cc
               - radxa,zero2
           - const: amlogic,a311d
           - const: amlogic,g12b
@@ -196,6 +197,7 @@ properties:
               - hardkernel,odroid-hc4
               - haochuangyi,h96-max
               - khadas,vim3l
+              - libretech,aml-s905d3-cc
               - seirobotics,sei610
           - const: amlogic,sm1