linux-imx

dt-bindings: arm: renesas: Document iW-RainboW-G20D-Qseven-RZG1N board

Document the iW-RainboW-G20D-Qseven-RZG1N device tree bindings,
listing it as a supported board.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>