arm: bcmcygnus: Enable Ethernet support

Enable BCM SF2 ethernet and PHY for BCM Cygnus SoC

Signed-off-by: Jiandong Zheng <jdzheng@broadcom.com>
Signed-off-by: Steve Rae <srae@broadcom.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/board/broadcom/bcm_ep/board.c b/board/broadcom/bcm_ep/board.c
index eaad0b3..c28b203 100644
--- a/board/broadcom/bcm_ep/board.c
+++ b/board/broadcom/bcm_ep/board.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <asm/io.h>
 #include <config.h>
+#include <netdev.h>
 #include <asm/system.h>
 #include <asm/iproc-common/armpll.h>
 
@@ -67,3 +68,13 @@
 {
 }
 #endif
+
+#ifdef CONFIG_BCM_SF2_ETH
+int board_eth_init(bd_t *bis)
+{
+	int rc = -1;
+	printf("Registering BCM sf2 eth\n");
+	rc = bcm_sf2_eth_register(bis, 0);
+	return rc;
+}
+#endif