crypto/internal/nistec: update generator for re-enabled s390x asm
CL 404058 modified the generated file p256.go without modifying
the generator program. This CL updates the generator program so
that it generates the p256.go file currently in the tree.
For #52709
Change-Id: I86927a8bb84b2e17426b7ba74a86f1aba781628e
Reviewed-on: https://go-review.googlesource.com/c/go/+/483715
TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com> Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>