arm64: dts: imx93: add nxp,no-divider for sysctr

There is no internal '/3' divider in i.MX93 sysctr, so need this
property.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx93.dtsi

@@ -145,6 +145,7 @@ system_counter: timer@44290000 {
 				interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&osc_24m>;
 				clock-names = "per";
+				nxp,no-divider;
 			};
 
 			lpi2c1: i2c@44340000 {