snowball: Add support for ux500 based snowball board

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: John Rigby <john.rigby@linaro.org>
Acked-by: Tom Rini <trini@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

Conflicts:

	drivers/gpio/Makefile
diff --git a/boards.cfg b/boards.cfg
index 0837c16..a16c487 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -269,6 +269,7 @@
 ventana                      arm         armv7       ventana             nvidia         tegra2
 whistler                     arm         armv7       whistler            nvidia         tegra2
 u8500_href                   arm         armv7       u8500               st-ericsson    u8500
+snowball                     arm         armv7       snowball               st-ericsson    u8500
 actux1_4_16                  arm         ixp         actux1              -              -           actux1:FLASH2X2
 actux1_4_32                  arm         ixp         actux1              -              -           actux1:FLASH2X2,RAM_32MB
 actux1_8_16                  arm         ixp         actux1              -              -           actux1:FLASH1X8