ARM: dts: msm: Add node for mpm sleep counter for sdxpoorwills

Add device node for mpm 2 sleep counter which is required
for the boot stats KPI reporting on sdxpoorwills target.

Change-Id: Idb5b747de27f189e967f2c6ba8b2f65176abe5b4
Signed-off-by: Jeevan Shriram <jshriram@codeaurora.org>
diff --git a/arch/arm/boot/dts/qcom/sdxpoorwills.dtsi b/arch/arm/boot/dts/qcom/sdxpoorwills.dtsi
index a4ebeeb..674db74 100644
--- a/arch/arm/boot/dts/qcom/sdxpoorwills.dtsi
+++ b/arch/arm/boot/dts/qcom/sdxpoorwills.dtsi
@@ -565,7 +565,13 @@
 			compatible = "qcom,msm-imem-diag-dload";
 			reg = <0xc8 200>;
 		};
-};
+	};
+
+	qcom,mpm2-sleep-counter@c221000 {
+		compatible = "qcom,mpm2-sleep-counter";
+		reg = <0x0c221000 0x1000>;
+		clock-frequency = <32768>;
+	};
 
 	restart@c264000 {
 		compatible = "qcom,pshold";