configs:Remove unused macro CONFIG_DISCOVER_PHY

Remove unused macro CONFIG_DISCOVER_PHY from configs.

Signed-off-by: Ashok Kumar Reddy <ashokkourla2000@gmail.com>
Acked-by: Stefano Babic <sbabic@denx.de>

include/configs/apx4devkit.h

@@ -175,7 +175,6 @@
 #define CONFIG_FEC_MXC_PHYADDR		0
 #define IMX_FEC_BASE			MXS_ENET0_BASE
 #define CONFIG_MII
-#define CONFIG_DISCOVER_PHY
 #define CONFIG_FEC_XCV_TYPE		RMII
 #endif
 

include/configs/sc_sps_1.h

@@ -160,7 +160,6 @@
 #define CONFIG_FEC_MXC
 #define CONFIG_FEC_MXC_MULTI
 #define CONFIG_MII
-#define CONFIG_DISCOVER_PHY
 #define CONFIG_FEC_XCV_TYPE		RMII
 #define CONFIG_PHYLIB
 #define CONFIG_PHY_SMSC