da830evm: Add support for TI EMAC

Adds support for ethernet networking on the da830evm platform.

This platform uses an SoC EMAC interface and a 3 port ethernet
switch as a PHY with an RMII interface. The PHY also has a i2c
interface for configuring the switch functions.

Signed-off-by: Nick Thompson <nick.thompson@ge.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/include/configs/da830evm.h b/include/configs/da830evm.h
index 65747fb..0f58e11 100644
--- a/include/configs/da830evm.h
+++ b/include/configs/da830evm.h
@@ -27,6 +27,7 @@
 /*
  * Board
  */
+#define CONFIG_DRIVER_TI_EMAC
 
 /*
  * SoC Configuration