board: rockchip: Add rk3588 evb

rk3588 evb1 v10 is a evalution board from Rockchip, it is a dev board for
rockchip and also a reference board for board vendors.

Hardware:
SoC: RK3588
DRAM: LPDDR4X 8GB
Debug: UART2 via USB
PCIe: 3x4 *1
SATA *2
HDMI out *2
HDMI IN *1
USB2.0 Host *2
USB3.0 Host *1
Type C *1
MIPI DSI panel

dts Sync from Linux v6.2.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Jagan Teki <jagan@edgeble.ai>
diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
index b5563b8..af6e466 100644
--- a/doc/board/rockchip/rockchip.rst
+++ b/doc/board/rockchip/rockchip.rst
@@ -91,6 +91,7 @@
      - Rockchip Evb-RK3568 (evb-rk3568)
 
 * rk3588
+     - Rockchip EVB (evb-rk3588)
      - Edgeble Neural Compute Module 6 SoM - Neu6a (neu6a-io-rk3588)
      - Radxa ROCK 5B (rock5b-rk3588)
 
@@ -185,6 +186,15 @@
         make evb-rk3568_defconfig
         make CROSS_COMPILE=aarch64-linux-gnu-
 
+To build rk3588 boards:
+
+.. code-block:: bash
+
+        export BL31=../rkbin/bin/rk35/rk3588_bl31_v1.33.elf
+        export ROCKCHIP_TPL=../rkbin/bin/rk35/rk3588_ddr_lp4_2112MHz_lp5_2736MHz_v1.09.bin
+        make evb-rk3588_defconfig
+        make CROSS_COMPILE=aarch64-linux-gnu-
+
 Flashing
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