dt-bindings: Add vendor prefix for HopeRun

Add "Jiangsu HopeRun Software Co., Ltd." to the list of devicetree
vendor prefixes as "hoperun".

Website: http://www.hoperun.com/en



Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>