arm64: dts: mediatek: mt7988a-bpi-r4: allow hw variants of bpi-r4
Sinovoip has released other variants of Bananapi-R4 board.
The known changes affecting only the LAN SFP+ slot which is replaced
by a 2.5G phy with optional PoE.
Just move the common parts to a new dtsi and keep differences (only
i2c for lan-sfp) in dts.
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogiaocchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20250422132438.15735-3-linux@fw-web.de
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>