arm64: dts: imx8mq-librem5-devkit: use correct interrupt for the magnetometer

The LSM9DS1 uses a high level interrupt.
Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Fixes: eb4ea085 ("arm64: dts: fsl: librem5: Add a device tree for the Librem5 devkit")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts

@@ -421,7 +421,7 @@ magnetometer@1e	{
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_imu>;
 		interrupt-parent = <&gpio3>;
-		interrupts = <19 IRQ_TYPE_LEVEL_LOW>;
+		interrupts = <19 IRQ_TYPE_LEVEL_HIGH>;
 		vdd-supply = <&reg_3v3_p>;
 		vddio-supply = <&reg_3v3_p>;
 	};