arm64: dts: rockchip: Add DisplayPort dt node for rk3576
The DisplayPort on rk3576 is compliant with DisplayPort Specification
Version 1.4 with MST support, and share the USBDP combo PHY with USB 3.1
OTG0 controller.
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://patch.msgid.link/20260206010421.443605-6-andyshrk@163.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>