stdio/device: rework function naming convention

So far the console API uses the following naming convention:

	======Extract======
	typedef struct device_t;

	int	device_register (device_t * dev);
	int	devices_init (void);
	int	device_deregister(char *devname);
	struct list_head* device_get_list(void);
	device_t* device_get_by_name(char* name);
	device_t* device_clone(device_t *dev);
	=======

which is too generic and confusing.

Instead of using device_XX and device_t we change this
into stdio_XX and stdio_dev

This will also allow to add later a generic device mechanism in order
to have support for multiple devices and driver instances.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

Edited commit message.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/drivers/serial/arm_dcc.c b/drivers/serial/arm_dcc.c
index dca73b9..7b5ecb5 100644
--- a/drivers/serial/arm_dcc.c
+++ b/drivers/serial/arm_dcc.c
@@ -27,7 +27,7 @@
  */
 
 #include <common.h>
-#include <devices.h>
+#include <stdio_dev.h>
 
 #if defined(CONFIG_CPU_V6)
 /*
@@ -148,7 +148,7 @@
 }
 
 #ifdef CONFIG_ARM_DCC_MULTI
-static device_t arm_dcc_dev;
+static struct stdio_dev arm_dcc_dev;
 
 int drv_arm_dcc_init(void)
 {
@@ -165,6 +165,6 @@
 	arm_dcc_dev.putc = arm_dcc_putc;	/* 'putc' function */
 	arm_dcc_dev.puts = arm_dcc_puts;	/* 'puts' function */
 
-	return device_register(&arm_dcc_dev);
+	return stdio_register(&arm_dcc_dev);
 }
 #endif
diff --git a/drivers/serial/usbtty.c b/drivers/serial/usbtty.c
index f711d0b..cffd5a2 100644
--- a/drivers/serial/usbtty.c
+++ b/drivers/serial/usbtty.c
@@ -24,7 +24,7 @@
 #include <common.h>
 #include <config.h>
 #include <circbuf.h>
-#include <devices.h>
+#include <stdio_dev.h>
 #include "usbtty.h"
 #include "usb_cdc_acm.h"
 #include "usbdescriptors.h"
@@ -70,7 +70,7 @@
 /*
  * Instance variables
  */
-static device_t usbttydev;
+static struct stdio_dev usbttydev;
 static struct usb_device_instance device_instance[1];
 static struct usb_bus_instance bus_instance[1];
 static struct usb_configuration_instance config_instance[NUM_CONFIGS];
@@ -570,7 +570,7 @@
 	usbttydev.putc = usbtty_putc;	/* 'putc' function */
 	usbttydev.puts = usbtty_puts;	/* 'puts' function */
 
-	rc = device_register (&usbttydev);
+	rc = stdio_register (&usbttydev);
 
 	return (rc == 0) ? 1 : rc;
 }