AT91: fix related at91 driver files

Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
index 25afae7..6254765 100644
--- a/drivers/watchdog/at91sam9_wdt.c
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -42,7 +42,7 @@
 static int at91_wdt_settimeout(unsigned int timeout)
 {
 	unsigned int reg;
-	at91_wdt_t *wd 	= (at91_wdt_t *) AT91_WDT_BASE;
+	at91_wdt_t *wd = (at91_wdt_t *) ATMEL_BASE_WDT;
 
 	/* Check if disabled */
 	if (readl(&wd->mr) & AT91_WDT_MR_WDDIS) {
@@ -69,7 +69,7 @@
 
 void hw_watchdog_reset(void)
 {
-	at91_wdt_t *wd 	= (at91_wdt_t *) AT91_WDT_BASE;
+	at91_wdt_t *wd = (at91_wdt_t *) ATMEL_BASE_WDT;
 	writel(AT91_WDT_CR_WDRSTT | AT91_WDT_CR_KEY, &wd->cr);
 }