ARM: dts: qcom: msm8660: fix node names for fixed clocks

Fix node names for three fixed clocks to follow the
no-underscores-in-name rule. To remain compatible with the drivers
expecting to find the old clock names, add clock-output-names
properties.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220909105136.3733919-6-dmitry.baryshkov@linaro.org

arch/arm/boot/dts/qcom-msm8660.dtsi

@@ -50,22 +50,25 @@ cpu-pmu {
 	};
 
 	clocks {
-		cxo_board: cxo_board {
+		cxo_board: cxo-board-clk {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
 			clock-frequency = <19200000>;
+			clock-output-names = "cxo_board";
 		};
 
-		pxo_board: pxo_board {
+		pxo_board: pxo-board-clk {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
 			clock-frequency = <27000000>;
+			clock-output-names = "pxo_board";
 		};
 
-		sleep_clk {
+		sleep-clk {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
 			clock-frequency = <32768>;
+			clock-output-names = "sleep_clk";
 		};
 	};