arm64: dts: imx8qxp-ai_ml: Fix checkpatch warnings

Fix the following warnings reported by checkpatch:
arch/..../imx8qxp-ai_ml.dts:198: WARNING: please, no space before tabs
Signed-off-by: Kwon Tae-young <tykwon@m2i.co.kr>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dts

@@ -195,7 +195,7 @@ pinctrl_lpuart0: lpuart0grp {
 		fsl,pins = <
 			IMX8QXP_UART0_RX_ADMA_UART0_RX				0X06000020
 			IMX8QXP_UART0_TX_ADMA_UART0_TX				0X06000020
-			IMX8QXP_FLEXCAN0_TX_ADMA_UART0_CTS_B 			0x06000020
+			IMX8QXP_FLEXCAN0_TX_ADMA_UART0_CTS_B			0x06000020
 			IMX8QXP_FLEXCAN0_RX_ADMA_UART0_RTS_B			0x06000020
 		>;
 	};