Exynos5: FDT: Add a H/W-trip member to TMU node

This adds a member to TMU FDT node for providing hardware
tripping temperature threshold.

Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/board/samsung/dts/exynos5250-smdk5250.dts b/board/samsung/dts/exynos5250-smdk5250.dts
index 00dac40..1c2d52d 100644
--- a/board/samsung/dts/exynos5250-smdk5250.dts
+++ b/board/samsung/dts/exynos5250-smdk5250.dts
@@ -72,6 +72,7 @@
 		samsung,max-temp	= <125>;
 		samsung,start-warning	= <95>;
 		samsung,start-tripping	= <105>;
+		samsung,hw-tripping	= <110>;
 		samsung,efuse-min-value	= <40>;
 		samsung,efuse-value	= <55>;
 		samsung,efuse-max-value	= <100>;