To reduce code duplication across different AN7583 evaluation boards,
introduce a shared multi-EVB base device tree and utilize Device Tree
Overlays (DTSO) for board-specific configurations.
Signed-off-by: Yalei Zang <yalei.zang@airoha.com>
Link: https://github.com/openwrt/openwrt/pull/24926
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>