galileo: Remove CONFIG_DESIGNWARE_ETH reference

This platform has CONFIG_ETH_DESIGNWARE set already, which is the
correct value for the driver in question.  Remove this incorrect line.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/galileo.h b/include/configs/galileo.h
index 57483a2..c50ecf2 100644
--- a/include/configs/galileo.h
+++ b/include/configs/galileo.h
@@ -22,7 +22,6 @@
 					"stderr=serial\0"
 
 /* 10/100M Ethernet support */
-#define CONFIG_DESIGNWARE_ETH
 #define CONFIG_DW_ALTDESCRIPTOR
 
 /* Environment configuration */