GN: Add PPC/s390 Linux support

GN: Add PPC/s390 Linux support

Adding ppc/s390 architecture support to build config and
bootstrap.py to be able build GN binary.

BUG=
R=dpranke@chromium.org, brettw@chromium.org

Committed: https://crrev.com/fbf038170dc0bd29ead8630013b28c6008047ec1
Cr-Commit-Position: refs/heads/master@{#425502}

[JaideepBajwa, 2016-10-12 00:26:54]

PTAL

[Dirk Pranke, 2016-10-12 00:31:13]

This lgtm but brettw@ needs to review it as well.

[JaideepBajwa, 2016-10-12 03:37:47]

The CQ bit was checked by bjaideep@ca.ibm.com to run a CQ dry run

[commit-bot: I haz the power, 2016-10-12 03:38:10]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-12 07:05:24]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-10-12 07:05:24]

Dry run: This issue passed the CQ dry run.

[brettw, 2016-10-14 18:05:53]

lgtm

[JaideepBajwa, 2016-10-14 19:01:55]

The CQ bit was checked by bjaideep@ca.ibm.com

[commit-bot: I haz the power, 2016-10-14 19:02:24]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-14 23:02:37]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-14 23:05:31]

Description was changed from

==========
GN: Add PPC/s390 Linux support

Adding ppc/s390 architecture support to build config and
bootstrap.py to be able build GN binary.

BUG=
R=dpranke@chromium.org, brettw@chromium.org
==========

to

==========
GN: Add PPC/s390 Linux support

Adding ppc/s390 architecture support to build config and
bootstrap.py to be able build GN binary.

BUG=
R=dpranke@chromium.org, brettw@chromium.org

Committed: https://crrev.com/fbf038170dc0bd29ead8630013b28c6008047ec1
Cr-Commit-Position: refs/heads/master@{#425502}
==========

[commit-bot: I haz the power, 2016-10-14 23:05:32]

Patchset 1 (id:??) landed as
https://crrev.com/fbf038170dc0bd29ead8630013b28c6008047ec1
Cr-Commit-Position: refs/heads/master@{#425502}