crypto/internal/fips140deps/cpu: use const and var blocks
Rather than repeating ourselves, use a single const block and a single
var block. Also separate architectures for readability.
Change-Id: Iab5bda3514eae0c9b5bb16a99277fd4b95f272aa
Reviewed-on: https://go-review.googlesource.com/c/go/+/649658 Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Reviewed-by: Michael Knyszek <mknyszek@google.com> Reviewed-by: Filippo Valsorda <filippo@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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