Moved conditional compile into Makefile

Signed-off-by: Andreas Engel <andreas.engel@ericsson.com>
diff --git a/include/configs/integratorcp.h b/include/configs/integratorcp.h
index 347fa02..5340f7c 100644
--- a/include/configs/integratorcp.h
+++ b/include/configs/integratorcp.h
@@ -61,7 +61,7 @@
 /*
  * NS16550 Configuration
  */
-#define CFG_PL011_SERIAL
+#define CONFIG_PL011_SERIAL
 #define CONFIG_PL011_CLOCK	14745600
 #define CONFIG_PL01x_PORTS	{ (void *)CFG_SERIAL0, (void *)CFG_SERIAL1 }
 #define CONFIG_CONS_INDEX	0