at91rm9200: move serial driver to drivers/serial
add CONFIG_AT91RM9200_USART to activate the driver
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/csb637.h b/include/configs/csb637.h
index 761c0dc..e1cdc7f 100644
--- a/include/configs/csb637.h
+++ b/include/configs/csb637.h
@@ -90,6 +90,7 @@
*/
/* define one of these to choose the DBGU, USART0 or USART1 as console */
+#define CONFIG_AT91RM9200_USART
#define CONFIG_DBGU
#undef CONFIG_USART0
#undef CONFIG_USART1