Add support of Genio i700 EVK board
Most of the DT bindings and .dtsi has been copied from Linux source code tag v6.12-rc2. (commit 8cf0b93919e13d1e8d4466eb4080a4c4d9d66d7b)
The main goal is to minimize changes on these files and stay aligned with the Kernel as close as possible.
In that way that will be easier for us to send this support to upstream.
The pinctrl driver is not present in this PR, it needs to be tested.
Edited by Julien Masson