dt-bindings: arm: amlogic: add bindings for Jethub D1/H1

JetHome is a series of home automation controllers:
- Jethub D1 based on Amlogic A113X
- Jethub H1 based on AmLogic S905W

Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20210915085715.1134940-2-adeep@lexina.in