Xilinx changes for v2021.07-rc2 xilinx: - Enable saving variables based on bootmode - Cleanup usb dfu setup and wire it up with usb bootmode - Fix bootscript address logic - Remove GD references (spi, Versal) - Enable capsule update clk: - Small Kconfig fix net: - Fix gmii2rgmii bridge binding usb: - Propagate error (dfu gadget)