[RESEND PATCH 6/6] arm64: enable RapidIO menu in Kconfig

[Christoph Hellwig]

On Tue, Jul 31, 2018 at 10:29:54AM -0400, Alexei Colin wrote:
> Platforms with a PCI bus will be offered the RapidIO menu since they may
> be want support for a RapidIO PCI device. Platforms without a PCI bus
> that might include a RapidIO IP block will need to "select HAS_RAPIDIO"
> in the platform-/machine-specific "config ARCH_*" Kconfig entry.
> 
> Tested that kernel builds for arm64 with RapidIO subsystem and
> switch drivers enabled, also that the modules load successfully
> on a custom Aarch64 Qemu model.

As said before, please include it from drivers/Kconfig so that _all_
architectures supporting PCI (or other Rapidio attachements) get it
and not some arbitrary selection of architectures.