ARM: dts: Add description of System MMU of Exynos SoCs

This patch adds dts entries for the System MMU devices found on
Exynos4 and Exynos5 SoC series and the System MMU binding
documentation.

CC: Rob Herring <robherring2@gmail.com>
CC: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>
2 files changed