This patch adds basic device tree sources for Universal C210 board.

Currently support includes:
- eMMC
- serial
- max8952 and max8998 voltage regulators.
- gpio-keys

More support will be added in further patches.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: NArnd Bergmann <arnd@arndb.de>
Acked-by: NKukjin Kim <kgene.kim@samsung.com>
Signed-off-by: NOlof Johansson <olof@lixom.net>