arm64: dts: renesas: r9a09g087: Add GMAC nodes
Add Ethernet MAC (GMAC) device nodes to the RZ/N2H (R9A09G087) SoC DTSI.
The RZ/N2H integrates three GMAC interfaces based on the Synopsys
DesignWare MAC (version 5.20).
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251028175458.1037397-5-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>