T4240RDB: Enable CONFIG_SYS_CORTINA_FW_IN_NOR config

Now cortina driver uses macro CONFIG_SYS_CORTINA_FW_IN_NOR
to define that firmware of cortina driver is stored in the
nor flash.

Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

include/configs/T4240RDB.h

@@ -638,6 +638,7 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_PHYLIB_10G
 #define CONFIG_PHY_VITESSE
 #define CONFIG_PHY_CORTINA
+#define CONFIG_SYS_CORTINA_FW_IN_NOR
 #define CONFIG_CORTINA_FW_ADDR		0xefe00000
 #define CONFIG_CORTINA_FW_LENGTH	0x40000
 #define CONFIG_PHY_TERANETICS