crypto/internal/boring: update to newer boringcrypto, add arm64

Update the version of BoringCrypto to boringssl tag
fips-20210429, for which FIPS approval is "in process".

Add GOARCH=arm64 BoringCrypto support.

Shuffle build to run as distinct steps in Docker so that
we can rerun later parts like build-goboring.sh without
rerunning all the setup.

Strip unnecessary parts of the syso using --strip-unneeded,
which cuts the amd64 syso from 10MB to 2.5MB.
The new arm64 syso is 2MB, so even though we added a new
architecture, we have half as much syso to distribute.

Change-Id: I0f7327389a3a485b82577abea9153d006418298f
Reviewed-on: https://go-review.googlesource.com/c/go/+/423362
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Russ Cox <rsc@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>

0 files changed, 0 insertions, 0 deletions