dt-bindings: arm: renesas: Document RZ/A2M EVB

Add the RZ/A2M Evaluation board.

Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
1 file changed