ARM: tegra: add Colibri T30 board support

This adds board support for the Toradex Colibri T30 module.

Working functions:
- SD card boot
- eMMC environment and boot
- USB host/USB client (on the dual role port)
- Network (via ASIX USB)

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/board/toradex/colibri_t30/MAINTAINERS b/board/toradex/colibri_t30/MAINTAINERS
new file mode 100644
index 0000000..73b8e5d
--- /dev/null
+++ b/board/toradex/colibri_t30/MAINTAINERS
@@ -0,0 +1,7 @@
+Colibri T30
+M:	Stefan Agner <stefan.agner@toradex.com>
+S:	Maintained
+F:	board/toradex/colibri_t30/
+F:	include/configs/colibri_t30.h
+F:	configs/colibri_t30_defconfig
+F:	arch/arm/dts/tegra30-colibri.dtb