[ARM] 5059/1: [AT91] Convert to new-style UART initialization

Convert the following AT91RM9200-based boards to the new-style UART
initialization:
  - Conitec ARM&EVA
  - Atmel AT91RM9200-DK
  - Embest ATEB9200
  - Atmel AT91RM9200-EK
  - KwikByte KB920x

Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-at91/board-csb637.c b/arch/arm/mach-at91/board-csb637.c
index 419fd19..bb1a547 100644
--- a/arch/arm/mach-at91/board-csb637.c
+++ b/arch/arm/mach-at91/board-csb637.c
@@ -45,10 +45,10 @@
 	/* Initialize processor: 3.6864 MHz crystal */
 	at91rm9200_initialize(3686400, AT91RM9200_BGA);
 
-	/* DBGU on ttyS0 */
+	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
 
-	/* make console=ttyS0 the default */
+	/* make console=ttyS0 (ie, DBGU) the default */
 	at91_set_serial_console(0);
 }