ARM: imx8m: Fix indentation of reset_cpu() function

Use proper code-style, tabs instead of spaces for indentation.

Signed-off-by: Harald Seiler <hws@denx.de>
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 0bdc8f2..f0a0e1b 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -412,14 +412,17 @@
 #if !CONFIG_IS_ENABLED(SYSRESET)
 void reset_cpu(ulong addr)
 {
-	struct watchdog_regs *wdog = (struct watchdog_regs *)WDOG1_BASE_ADDR;
+	struct watchdog_regs *wdog = (struct watchdog_regs *)addr;
+
+	if (!addr)
+		wdog = (struct watchdog_regs *)WDOG1_BASE_ADDR;
 
 	/* Clear WDA to trigger WDOG_B immediately */
 	writew((SET_WCR_WT(1) | WCR_WDT | WCR_WDE | WCR_SRS), &wdog->wcr);
 
 	while (1) {
 		/*
-		 * spin for 1 second before timeout reset
+		 * spin for .5 seconds before reset
 		 */
 	}
 }