arm64: dts: rockchip: Add Radxa ROCK 2A/2F

arm64: dts: rockchip: Add Radxa ROCK 2A/2F

The ROCK 2A and ROCK 2F is a high-performance single board computer
developed by Radxa, based on the Rockchip RK3528A SoC.

Add initial device tree for the Radxa ROCK 2A and ROCK 2F boards.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Tested-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Tested-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Link: https://lore.kernel.org/r/20250717103720.2853031-3-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
[ upstream commit: 5b71b3d9aa61626d6a93ed2f761a748aa2ecfa95 ]

(cherry picked from commit d272bc0c747a5af49cf98140ebd25a702f84ab52)
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>