AM3517 EVM: Enable ethernet

Signed-off-by: Tom Rini <trini@ti.com>

include/configs/am3517_evm.h

@@ -141,8 +141,18 @@
 #define CONFIG_SYS_I2C_SLAVE		1
 #define CONFIG_DRIVER_OMAP34XX_I2C	1
 
-#undef CONFIG_CMD_NET
-#undef CONFIG_CMD_NFS
+/*
+ * Ethernet
+ */
+#define CONFIG_DRIVER_TI_EMAC
+#define CONFIG_DRIVER_TI_EMAC_USE_RMII
+#define CONFIG_MII
+#define CONFIG_BOOTP_DEFAULT
+#define CONFIG_BOOTP_DNS
+#define CONFIG_BOOTP_DNS2
+#define CONFIG_BOOTP_SEND_HOSTNAME
+#define CONFIG_NET_RETRY_COUNT		10
+
 /*
  * Board NAND Info.
  */