disable wdt2

disable wdt2.patch

diff --git a/arch/arm/mach-aspeed/ast2600/board_common.c b/arch/arm/mach-aspeed/ast2600/board_common.c
index 99a9e1273a..fcc27683c1 100644
--- a/arch/arm/mach-aspeed/ast2600/board_common.c
+++ b/arch/arm/mach-aspeed/ast2600/board_common.c
@@ -51,6 +51,11 @@ void reset_eth_phy(void)
 }
 #endif
 
+static void __maybe_unused disable_wdt2(void)
+{
+	writeb(0x00, ASPEED_FMC_WDT2);
+}
+
 __weak int board_init(void)
 {
 	struct udevice *dev;
@@ -91,6 +96,8 @@ __weak int board_init(void)
 			break;
 	}
 
+	disable_wdt2();
+
 	return 0;
 }