arm64: dts: rockchip: Add Rockchip RK3588J

Rockchip RK3588J is the industrial-grade version of RK3588 SoC and
is operated with -40 °C to +85 °C temparature.

Add rk3588j specific dtsi for adding rk3588j specific operating points
and other changes to be add in future.
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Link: https://lore.kernel.org/r/20230516163454.997736-2-jagan@edgeble.aiSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3588j.dtsi

+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2022 Rockchip Electronics Co., Ltd.
+ *
+ */
+
+#include "rk3588.dtsi"