s3c44b0: move serial driver to drivers/serial

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/B2.h b/include/configs/B2.h
index 9340db6..01b65c5 100644
--- a/include/configs/B2.h
+++ b/include/configs/B2.h
@@ -65,6 +65,7 @@
 /*
  * select serial console configuration
  */
+#define CONFIG_S3C44B0_SERIAL
 #define CONFIG_SERIAL1		1	/* we use Serial line 1 */
 
 #define CONFIG_S3C44B0_I2C