Merge tag 'net-20260312' of https://source.denx.de/u-boot/custodians/u-boot-net into...

Pull request net-20260312.

net:
- Move network PHY under NETDEVICES
- s/DM_CLK/CLK/ in HIFEMAC_{ETH,MDIO}
- Add support for Airoha AN8811HB PHY
- airoha: PCS and MDIO support for Airoha AN7581 SoC

net-lwip:
- Fix issue when TFTP blocksize is >8192
- Adjust PBUF_POOL_SIZE/IP_REASS_MAX_PBUFS for better performance and
  resource usage.
- Enable mii command for NET_LWIP

diff --cc boot/Kconfig
Simple merge

diff --cc drivers/net/Kconfig
Simple merge