board: engicam: Add watchdog support on Engicam

This patch adds watchdog support for engicam imx6 family
of boards.

Signed-off-by: Shyam Saini <shyam.saini@amarulasolutions.com>

board/engicam/common/board.c

@@ -8,6 +8,7 @@
 #include <common.h>
 #include <mmc.h>
 #include <asm/arch/sys_proto.h>
+#include <watchdog.h>
 
 #include "board.h"
 
@@ -88,6 +89,10 @@ int board_late_init(void)
 
 	setenv_fdt_file();
 
+#ifdef CONFIG_HW_WATCHDOG
+	hw_watchdog_init();
+#endif
+
 	return 0;
 }