Import openwrt pending patch 220-optimize_inlining

arch/arm/kernel/atags.h

arch/arm64/include/asm/cpufeature.h

arch/mips/include/asm/bitops.h

arch/mips/kernel/cpu-bugs64.c

arch/powerpc/kernel/prom_init.c

arch/powerpc/mm/tlb-radix.c

arch/s390/include/asm/cpacf.h

arch/x86/Kconfig

arch/x86/Kconfig.debug

drivers/mtd/nand/raw/vf610_nfc.c

include/linux/compiler_types.h

lib/Kconfig.debug