arm64: dts: imx8mq-librem5: remove description of CHG_STATUS_B

That pin is not connected on the board so no need to describe it.
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

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

@@ -389,8 +389,6 @@ pinctrl_charger_in: chargeringrp {
 		fsl,pins = <
 			/* CHRG_INT */
 			MX8MQ_IOMUXC_NAND_CE2_B_GPIO3_IO3	0x80
-			/* CHG_STATUS_B */
-			MX8MQ_IOMUXC_NAND_ALE_GPIO3_IO0		0x80
 		>;
 	};