arm64: dts: rockchip: Add cd-gpios for sdcard detect on Cool Pi CM5

cd-gpios is used for sdcard detects for sdmmc.

Fixes: 791c154c ("arm64: dts: rockchip: Add support for rk3588 based board Cool Pi CM5 EVB")
Signed-off-by: Andy Yan <andyshrk@163.com>
Link: https://lore.kernel.org/r/20250524064223.5741-1-andyshrk@163.com


Signed-off-by: Heiko Stuebner <heiko@sntech.de>