Document RZ/G2E (r8a774c0) SoC specific bindings.
Signed-off-by: NFabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: NRob Herring <robh@kernel.org>
Acked-by: NDavid S. Miller <davem@davemloft.net>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>