Added gitter chat badge.

esden · esden · commit 8ce9536b2ec3 · 2015-12-15T17:41:07.000+01:00
diff --git a/README.md b/README.md
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 # README
 
+[![Gitter channel](https://badges.gitter.im/libopencm3/discuss.svg)](https://gitter.im/libopencm3/discuss)
+
 This repository contains assorted example projects for libopencm3.
 
 The libopencm3 project aims to create an open-source firmware library for
diff --git a/libopencm3 b/libopencm3
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-Subproject commit 17f159dec9a548d7e1984ed9fc3fea6d4eb776cf
+Subproject commit e8a4a37b9c2f1f1cfad4d1f92b8151dac3f113c0
