Merge tag 'mips-pull-2022-07-13' of https://source.denx.de/u-boot/custodians/u-boot-mips

MAINTAINERS

arch/mips/Makefile

arch/mips/cpu/u-boot-spl.lds

arch/mips/dts/Makefile

arch/mips/dts/mediatek,mt7621-nand-rfb.dts

arch/mips/dts/mediatek,mt7621-rfb.dts

arch/mips/dts/mt7621-u-boot.dtsi

arch/mips/dts/mt7621.dtsi

arch/mips/include/asm/cm.h

arch/mips/include/asm/mipsmtregs.h

arch/mips/include/asm/system.h

arch/mips/lib/cache.c

arch/mips/mach-mtmips/Kconfig

arch/mips/mach-mtmips/Makefile

arch/mips/mach-mtmips/cpu.c

arch/mips/mach-mtmips/mt7621/Kconfig

arch/mips/mach-mtmips/mt7621/Makefile

arch/mips/mach-mtmips/mt7621/init.c

arch/mips/mach-mtmips/mt7621/mt7621.h

arch/mips/mach-mtmips/mt7621/serial.c