watchdog: qcom: update device tree bindings

Update the compatible string to align with driver and also
add SoC specific string to DTS.

CC: linux-watchdog@vger.kernel.org
Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org>
Signed-off-by: Thomas Pedersen <twp@codeaurora.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

Documentation/devicetree/bindings/watchdog/qcom-wdt.txt

@@ -7,6 +7,8 @@ Required properties :
 			"qcom,kpss-wdt-msm8960"
 			"qcom,kpss-wdt-apq8064"
 			"qcom,kpss-wdt-ipq8064"
+			"qcom,kpss-timer"
+			"qcom,scss-timer"
 
 - reg : shall contain base register location and length
 - clocks : shall contain the input clock

arch/arm/boot/dts/qcom-apq8064.dtsi

@@ -247,7 +247,8 @@
 		};
 
 		timer@200a000 {
-			compatible = "qcom,kpss-timer", "qcom,msm-timer";
+			compatible = "qcom,kpss-timer",
+				     "qcom,kpss-wdt-apq8064", "qcom,msm-timer";
 			interrupts = <1 1 0x301>,
 				     <1 2 0x301>,
 				     <1 3 0x301>;

arch/arm/boot/dts/qcom-ipq8064.dtsi

@@ -122,7 +122,8 @@
 		};
 
 		timer@200a000 {
-			compatible = "qcom,kpss-timer", "qcom,msm-timer";
+			compatible = "qcom,kpss-timer",
+				     "qcom,kpss-wdt-ipq8064", "qcom,msm-timer";
 			interrupts = <1 1 0x301>,
 				     <1 2 0x301>,
 				     <1 3 0x301>,

arch/arm/boot/dts/qcom-msm8960.dtsi

@@ -87,7 +87,8 @@
 		};
 
 		timer@200a000 {
-			compatible = "qcom,kpss-timer", "qcom,msm-timer";
+			compatible = "qcom,kpss-timer",
+				     "qcom,kpss-wdt-msm8960", "qcom,msm-timer";
 			interrupts = <1 1 0x301>,
 				     <1 2 0x301>,
 				     <1 3 0x301>;