ARM: dts: imx6sl: fixup of operating points

Make operating point definitions comply with binding
specifications.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6sl.dtsi

@@ -55,18 +55,16 @@ cpu@0 {
 			device_type = "cpu";
 			reg = <0x0>;
 			next-level-cache = <&L2>;
-			operating-points = <
+			operating-points =
 				/* kHz    uV */
-				996000  1275000
-				792000  1175000
-				396000  975000
-			>;
-			fsl,soc-operating-points = <
+				<996000  1275000>,
+				<792000  1175000>,
+				<396000  975000>;
+			fsl,soc-operating-points =
 				/* ARM kHz      SOC-PU uV */
-				996000          1225000
-				792000          1175000
-				396000          1175000
-			>;
+				<996000         1225000>,
+				<792000         1175000>,
+				<396000         1175000>;
 			clock-latency = <61036>; /* two CLK32 periods */
 			#cooling-cells = <2>;
 			clocks = <&clks IMX6SL_CLK_ARM>, <&clks IMX6SL_CLK_PLL2_PFD2>,