ARM: tegra: update main repo and add patchwork

Stephen is taking over the main tegra repo, so change the entry to point at his tree on kernel.org

Also, document the patchwork URL.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/MAINTAINERS b/MAINTAINERS
index 187d855..a23a635 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6515,7 +6515,8 @@
 M:	Olof Johansson <olof@lixom.net>
 M:	Stephen Warren <swarren@wwwdotorg.org>
 L:	linux-tegra@vger.kernel.org
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/olof/tegra.git
+Q:	http://patchwork.ozlabs.org/project/linux-tegra/list/
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra.git
 S:	Supported
 F:	arch/arm/mach-tegra