Add more big endian platforms

This patch adds more platforms to the list that have the BIGENDIAN defines set.

Downstream users are using parts of SKIA on BigEndian machines.

R=cmp@chromium.org, bungeman@google.com, bsalomon@google.com, reed@google.com, sergeyberezin@chromium.org

Author: steve@ssinger.info

Review URL: https://codereview.chromium.org/218733002

git-svn-id: http://skia.googlecode.com/svn/trunk@14046 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/AUTHORS b/AUTHORS
index de3fa4d..1063746 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -20,5 +20,6 @@
 Jacek Caban <cjacek@gmail.com>
 NVIDIA <*@nvidia.com>
 Samsung <*@samsung.com>
+Steve Singer <steve@ssinger.info>
 The Chromium Authors <*@chromium.org>
 Thiago Fransosi Farina <thiago.farina@gmail.com>