avr32: fixup definitions to ATMEL_BASE_xxx

Signed-off-by: Andreas Bießmann <biessmann@corscience.de>
diff --git a/board/atmel/atstk1000/atstk1000.c b/board/atmel/atstk1000/atstk1000.c
index 8b1e1b5..58048a4 100644
--- a/board/atmel/atstk1000/atstk1000.c
+++ b/board/atmel/atstk1000/atstk1000.c
@@ -134,8 +134,8 @@
 #ifdef CONFIG_CMD_NET
 int board_eth_init(bd_t *bi)
 {
-	macb_eth_initialize(0, (void *)MACB0_BASE, bi->bi_phy_id[0]);
-	macb_eth_initialize(1, (void *)MACB1_BASE, bi->bi_phy_id[1]);
+	macb_eth_initialize(0, (void *)ATMEL_BASE_MACB0, bi->bi_phy_id[0]);
+	macb_eth_initialize(1, (void *)ATMEL_BASE_MACB1, bi->bi_phy_id[1]);
 	return 0;
 }
 #endif