ARM: dts: qcom: msm8960: introduce label for PMIC keypad

To simplify MSM8960 CDP board file, add label to PMIC keypad node.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230928110309.1212221-4-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

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

@@ -88,17 +88,15 @@ clk-pins {
 	};
 };
 
-&pmicintc {
-	keypad@148 {
-		linux,keymap = <
-			MATRIX_KEY(0, 0, KEY_VOLUMEUP)
-			MATRIX_KEY(0, 1, KEY_VOLUMEDOWN)
-			MATRIX_KEY(0, 2, KEY_CAMERA_FOCUS)
-			MATRIX_KEY(0, 3, KEY_CAMERA)
-			>;
-		keypad,num-rows = <1>;
-		keypad,num-columns = <5>;
-	};
+&pm8921_keypad {
+	linux,keymap = <
+		MATRIX_KEY(0, 0, KEY_VOLUMEUP)
+		MATRIX_KEY(0, 1, KEY_VOLUMEDOWN)
+		MATRIX_KEY(0, 2, KEY_CAMERA_FOCUS)
+		MATRIX_KEY(0, 3, KEY_CAMERA)
+		>;
+	keypad,num-rows = <1>;
+	keypad,num-columns = <5>;
 };
 
 &rpm {

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

@@ -283,7 +283,7 @@ pwrkey@1c {
 					pull-up;
 				};
 
-				keypad@148 {
+				pm8921_keypad: keypad@148 {
 					compatible = "qcom,pm8921-keypad";
 					reg = <0x148>;
 					interrupt-parent = <&pmicintc>;