crypto/internal/fips140/nistec: p256NegCond is variable time on ppc64le [1.22 backport] #71422
Description
@rolandshoemaker requested issue #71383 to be considered for backport to the next 1.22 minor release.
We'll backport this to the next minor releases.
@gopherbot please open backport issues, this is a minor security issue.