Merge tag 'u-boot-amlogic-20210514' of https://source.denx.de/u-boot/custodians/u-boot-amlogic

- dts: add missing -u-boot.dtsi to enable HDMI on Beelink GTKing/King-Pro
- usb: dwc3-meson-g12a: skip phy on -ENODATA aswell
- net: dwmac_meson8b: do not set TX delay in TXID & RXID
- net: designware: meson8b: add g12a compatible