[Rpm-maint] [rpm-software-management/rpm] Fix Arm detection improvements (#946)

[Peter Robinson]

There's some issues with the detection of particular Arm hardware
features. We never want to use the crypto feature as part of rpm
functionality, it's deployment is widely variable, and the HW
optimisation should be run time detected with fall back through
various optimisation paths.

The 8c3a7b8fa commit where this functionality also has other issues
it didn't include the VFP HWCAP for armv6 which rpm included
previously, but just the VFP3, and NEON is a requirement, and hence
always present in armv8 so it's assumed that it's part of armv8.

Signed-off-by: Peter Robinson <pbrobinson at gmail.com>
You can view, comment on, or merge this pull request online at:

  https://github.com/rpm-software-management/rpm/pull/946

-- Commit Summary --

  * Fix Arm detection improvements

-- File Changes --

    M lib/rpmrc.c (18)

-- Patch Links --

https://github.com/rpm-software-management/rpm/pull/946.patch
https://github.com/rpm-software-management/rpm/pull/946.diff

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