omap3: zoom1: enable common network commands

Basic networking commands for usability.

Signed-off-by: Nishanth Menon <nm@ti.com>
diff --git a/include/configs/omap3_zoom1.h b/include/configs/omap3_zoom1.h
index 4a4dfd9..4fb3628 100644
--- a/include/configs/omap3_zoom1.h
+++ b/include/configs/omap3_zoom1.h
@@ -116,7 +116,9 @@
 #undef CONFIG_CMD_IMI		/* iminfo			*/
 #undef CONFIG_CMD_IMLS		/* List all found images	*/
 #define CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
-#undef CONFIG_CMD_NFS		/* NFS support			*/
+#define CONFIG_CMD_NFS		/* NFS support			*/
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_DHCP
 
 #define CONFIG_SYS_NO_FLASH
 #define CONFIG_SYS_I2C