Add Ingenic XBurst based boards, prepare for later dts. Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Paul Burton <paulburton@kernel.org> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: robh+dt@kernel.org Cc: paul.burton@mips.com Cc: jhogan@kernel.org Cc: mripard@kernel.org Cc: shawnguo@kernel.org Cc: mark.rutland@arm.com Cc: alexandre.belloni@bootlin.com Cc: ralf@linux-mips.org Cc: heiko@sntech.de Cc: icenowy@aosc.io Cc: ak@linux.intel.com Cc: laurent.pinchart@ideasonboard.com Cc: krzk@kernel.org Cc: geert+renesas@glider.be Cc: paul@crapouillou.net Cc: prasannatsmkumar@gmail.com Cc: keescook@chromium.org Cc: ebiederm@xmission.com Cc: sernia.zhou@foxmail.com Cc: zhenwenjin@gmail.com Cc: 772753199@qq.com
