[RFC V2] arm/arm64:add CONFIG_HAVE_ARCH_BITREVERSE to support rbit instruction

[Wang, Yalin]

> From: Rob Herring [mailto:robherring2 at gmail.com]
> >> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index
> >> 9532f8d..263c28c 100644
> >> --- a/arch/arm64/Kconfig
> >> +++ b/arch/arm64/Kconfig
> >> @@ -36,6 +36,7 @@ config ARM64
> >>       select HARDIRQS_SW_RESEND
> >>       select HAVE_ARCH_AUDITSYSCALL
> >>       select HAVE_ARCH_JUMP_LABEL
> >> +     select HAVE_ARCH_BITREVERSE
> >>       select HAVE_ARCH_KGDB
> >>       select HAVE_ARCH_TRACEHOOK
> >>       select HAVE_BPF_JIT
> 
> The kconfig lists should be sorted.
> 
> Rob

Got it ,
Thanks for your remind.