CHROMIUM: ARM: EXYNOS: Add machine code to support watchdog reset

This patch clears the reset bits for PMU registers
EXYNOS5_AUTO_WDTRESET_DISABLE & EXYNOS5_MASK_WDTRESET_REQUEST
to support watchdog reset for exynos5.

Change-Id: I52ac9cb6a05117e77676e5ae095490a5ed3ff68b
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Prathyush K <prathyush.k@samsung.com>
arm: exynos5410: add TRUSTZONE enable for exynos5
clk: exynos5410: add gate clock for tmu

Adds gate clock for tmu ip for Exynos5410 SoC.
thermal: exynos: Support exynos5410 SoC