Merge branch '2021-10-18-OF_xxx-cleanup'

arch/arm/Kconfig

arch/riscv/cpu/cpu.c

arch/riscv/cpu/start.S

arch/riscv/dts/binman.dtsi

board/AndesTech/ax25-ae350/ax25-ae350.c

board/broadcom/bcmstb/bcmstb.c

board/emulation/qemu-riscv/qemu-riscv.c

configs/ae350_rv32_defconfig

configs/ae350_rv32_spl_defconfig

configs/ae350_rv64_defconfig

configs/ae350_rv64_spl_defconfig

configs/bcm7260_defconfig

configs/bcm7445_defconfig

configs/qemu-riscv32_defconfig

configs/qemu-riscv32_smode_defconfig

configs/qemu-riscv32_spl_defconfig

configs/qemu-riscv64_defconfig

configs/qemu-riscv64_smode_defconfig

configs/qemu-riscv64_spl_defconfig

dts/Kconfig