ima3-mx53:Rename CONFIG_PRIME => CONFIG_ETHPRME, remove

  unused macro CONFIG_DISCOVER_PHY

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

include/configs/ima3-mx53.h

@@ -64,7 +64,6 @@
 /* Ethernet on FEC */
 #define CONFIG_NET_MULTI
 #define CONFIG_MII
-#define CONFIG_DISCOVER_PHY
 
 #define CONFIG_FEC_MXC
 #define IMX_FEC_BASE			FEC_BASE_ADDR
@@ -72,7 +71,7 @@
 #define CONFIG_PHY_ADDR			CONFIG_FEC_MXC_PHYADDR
 #define CONFIG_RESET_PHY_R
 #define CONFIG_FEC_MXC_NO_ANEG
-#define CONFIG_PRIME	"FEC0"
+#define CONFIG_ETHPRIME			"FEC0"
 
 /* SPI */
 #define CONFIG_HARD_SPI