ARM: dts: Enable TMU for exynos5422-odroidxu3

This changes enables TMU IP block on the Exynos5422 Odroid-XU3
device.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Acked-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>