am335x: Enable CONFIG_OMAP_WATCHDOG support

There is a board-specific portion for calling watchdog enable itself, in
main U-Boot.

Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c
index 0ffa03a..69fff32 100644
--- a/arch/arm/cpu/armv7/omap-common/boot-common.c
+++ b/arch/arm/cpu/armv7/omap-common/boot-common.c
@@ -14,6 +14,7 @@
 #include <asm/arch/omap.h>
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sys_proto.h>
+#include <watchdog.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -76,6 +77,9 @@
 #if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT)
 	arch_misc_init();
 #endif
+#if defined(CONFIG_HW_WATCHDOG)
+	hw_watchdog_init();
+#endif
 #ifdef CONFIG_AM33XX
 	am33xx_spl_board_init();
 #endif