arm64: dts: rockchip: Add SDHCI controller for RK3528

arm64: dts: rockchip: Add SDHCI controller for RK3528

The SDHCI controller in Rockchip RK3528 is similar to the one included
in RK3588.

Add device tree node for the SDHCI controller in RK3528.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20250305214108.1327208-3-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
[ upstream commit: a98cc47f79ab5b8059b748bf0bd59335edfff7d9 ]

(cherry picked from commit db7a99c423dea0ead19d6a18053d898a762a3b48)
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>