Automatic merge from submit-queue
Use a patched golang version for building linux/arm
Fixes: #29904
Right now, linux/arm is broken because of an internal limitation in Go.
I've filed an issue for it here: https://github.com/golang/go/issues/17028
The affected binaries of this limitation are hyperkube and kube-apiserver, which are the largest binaries.
And when we now have a patched go 1.7.1 version for building "unsupported" but important architectures (ref: https://github.com/kubernetes/kubernetes/blob/master/docs/proposals/multi-platform.md), we should also include the patch for ppc64le and start building ppc64le again.
As soon as @laboger has the patch I need up on Github, I'll include ppc64le to this PR and we'll merge it
TODO:
- [ ] ~~Update the PR with patches for ppc64le at the same time @luxas~~
- [x] Push the new kube-cross image @ixdy
- [x] Run a full `make release` before to verify nothing breaks @luxas + @ixdy
- [ ] Cherrypick into the 1.4 branch @luxas + (who?)
@lavalamp @smarterclayton @ixdy @rsc @davecheney @wojtek-t @jfrazelle @bradfitz @david-mcmahon @pwittrock