ARM: EXYNOS: add all i2c busses to auxdata for DT

Needed to match device ids for clocks, etc.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>