arm64: Kconfig.platforms: Re-organized Broadcom menu

[Florian Fainelli]

On 9/8/2022 4:04 AM, Naresh Kamboju wrote:
> From: lkft at linaro.org
> 
> LKFT test farm found that Linux next-20220906 onwards the Broadcom DTB
> builds are not happening. And after bisecting we found this patch is
> the reason [1].
> 
> Reported-by: Linux Kernel Functional Testing <lkft at linaro.org>
> 
> FYI, We have not changed any kernel configs.
> [1] http://ix.io/49Wq

Fixed with:

https://lore.kernel.org/all/20220906033957.4377-1-f.fainelli@gmail.com/

sorry about the breakage and thanks for reporting!
-- 
Florian