ARM: imx: m53menlo: Convert WDT support to DM

Enable DM Watchdog support on iMX53 M53Menlo.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>

arch/arm/dts/imx53-m53menlo-u-boot.dtsi

@@ -11,6 +11,11 @@
 			u-boot,dm-pre-reloc;
 		};
 	};
+
+	wdt-reboot {
+		compatible = "wdt-reboot";
+		wdt = <&wdog1>;
+	};
 };
 
 &gpio1 {

configs/m53menlo_defconfig

@@ -72,6 +72,8 @@ CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_RTC_M41T62=y
+CONFIG_SYSRESET=y
+CONFIG_SYSRESET_WATCHDOG=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_EHCI_MX5=y

include/configs/m53menlo.h

@@ -242,4 +242,9 @@
 		"fi ; "							\
 		"fi\0"
 
+#if defined(CONFIG_SPL_BUILD)
+#undef CONFIG_WATCHDOG
+#define CONFIG_HW_WATCHDOG
+#endif
+
 #endif	/* __M53MENLO_CONFIG_H__ */