dt-bindings: amlogic: Add HwaCom board

Signed-off-by: NCarlo Caione <carlo@endlessm.com>
Signed-off-by: NKevin Hilman <khilman@baylibre.com>

Documentation/devicetree/bindings/arm/amlogic.txt

@@ -45,6 +45,7 @@ Board compatible values:
   - "amlogic,p212" (Meson gxl s905x)
   - "amlogic,p230" (Meson gxl s905d)
   - "amlogic,p231" (Meson gxl s905d)
+  - "hwacom,amazetv" (Meson gxl s905x)
   - "amlogic,q200" (Meson gxm s912)
   - "amlogic,q201" (Meson gxm s912)
   - "nexbox,a95x" (Meson gxbb or Meson gxl s905x)