ARM: dts: exynos: Mark 1 GHz CPU OPP as suspend OPP on Exynos5250

1 GHz CPU OPP is the default boot value for the Exynos5250 SOC, so mark it
as suspend OPP. This fixes suspend/resume on Samsung Exynos5250 Snow
Chomebook, which was broken since switching to generic cpufreq-dt driver
in v4.3.

Cc: <stable@vger.kernel.org> # 4.3.x: cd6f5545: ARM: dts: exynos: Remove "cooling-{min|max}-level" for CPU nodes
Cc: <stable@vger.kernel.org> # 4.3.x: 672f3319: arm: dts: exynos: Add missing cooling device properties for CPUs
Cc: <stable@vger.kernel.org> # 4.3.x
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/boot/dts/exynos5250.dtsi

@@ -118,6 +118,7 @@ opp-1000000000 {
 			opp-hz = /bits/ 64 <1000000000>;
 			opp-microvolt = <1075000>;
 			clock-latency-ns = <140000>;
+			opp-suspend;
 		};
 		opp-1100000000 {
 			opp-hz = /bits/ 64 <1100000000>;