Atmel: move console default platform_device to serial driver

This variable spread on every SoC that is using the atmel_serial.c
driver can be included directly into the latter.

This will allow to compile multiple soc in the same kernel.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: kernel@avr32linux.org
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 10605ec..f9a6be7 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1526,6 +1526,8 @@
 	atmel_pops.set_wake	= fns->set_wake;
 }
 
+struct platform_device *atmel_default_console_device;	/* the serial console device */
+
 #ifdef CONFIG_SERIAL_ATMEL_CONSOLE
 static void atmel_console_putchar(struct uart_port *port, int ch)
 {