This adds rk3528 gmac support and enables build-in FE phy. Code based on BSP kernel. diff --speed-large-files --no-dereference --minimal -Naur linux-6.4.9/drivers/net ...

diff --speed-large-files --no-dereference --minimal -Naur linux-6.12.10/drivers/net/ethernet/allwinner/gmac/Kconfig linux-6.12.10/drivers/net/ethernet/allwinner/gmac ...