dt-bindings: display: vop2: Add rk3576 support

Add vop found on rk3576, the main difference between rk3576 and the
previous vop is that each VP has its own interrupt line.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20250303034436.192400-7-andyshrk@163.com