eNET: Implement eNET Watchdog

Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
diff --git a/include/configs/eNET.h b/include/configs/eNET.h
index 6189794..361fe61 100644
--- a/include/configs/eNET.h
+++ b/include/configs/eNET.h
@@ -53,7 +53,7 @@
  * bottom (processor) board MUST be removed!
  */
 #undef CONFIG_WATCHDOG
-#undef CONFIG_HW_WATCHDOG
+#define CONFIG_HW_WATCHDOG
 
  /*-----------------------------------------------------------------------
   * Serial Configuration
@@ -234,14 +234,6 @@
 #define CONFIG_RTL8139
 
 /*-----------------------------------------------------------------------
- * Hardware watchdog configuration
- */
-#define CONFIG_SYS_WATCHDOG_PIO_BIT  		0x8000
-#define CONFIG_SYS_WATCHDIG_PIO_DATA 		SC520_PIODATA15_0
-#define CONFIG_SYS_WATCHDIG_PIO_CLR  		SC520_PIOCLR15_0
-#define CONFIG_SYS_WATCHDIG_PIO_SET  		SC520_PIOSET15_0
-
-/*-----------------------------------------------------------------------
  * FPGA configuration
  */
 #define CONFIG_SYS_FPGA_PROGRAM_PIO_BIT		0x2000