Merge branch 'v2021.04-rc4' of https://github.com/lftan/u-boot

Makefile

arch/arm/Kconfig

arch/arm/dts/socfpga_soc64_fit-u-boot.dtsi

arch/arm/mach-socfpga/Kconfig

arch/arm/mach-socfpga/Makefile

arch/arm/mach-socfpga/board.c

arch/arm/mach-socfpga/include/mach/mailbox_s10.h

arch/arm/mach-socfpga/include/mach/reset_manager.h

arch/arm/mach-socfpga/include/mach/secure_vab.h

arch/arm/mach-socfpga/include/mach/system_manager.h

arch/arm/mach-socfpga/secure_vab.c

arch/arm/mach-socfpga/vab.c

board/intel/agilex-socdk/MAINTAINERS

common/Kconfig.boot

configs/socfpga_agilex_atf_defconfig

configs/socfpga_agilex_defconfig

configs/socfpga_agilex_vab_defconfig

configs/socfpga_stratix10_atf_defconfig

configs/socfpga_stratix10_defconfig

drivers/ddr/altera/Kconfig