s3c24x0: move serial driver to drivers/serial

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/trab.h b/include/configs/trab.h
index 625d8ee..520fe36 100644
--- a/include/configs/trab.h
+++ b/include/configs/trab.h
@@ -111,6 +111,7 @@
 /*
  * select serial console configuration
  */
+#define CONFIG_S3C24X0_SERIAL
 #define CONFIG_SERIAL1		1	/* we use SERIAL 1 on TRAB */
 
 #define CONFIG_HWFLOW			/* include RTS/CTS flow control support	*/