chardev: move headers to include/chardev

So they are all in one place. The following patch will move serial &
parallel declarations to the respective headers.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

backends/baum.c

@@ -24,7 +24,7 @@
 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "qemu-common.h"
-#include "sysemu/char.h"
+#include "chardev/char.h"
 #include "qemu/timer.h"
 #include "hw/usb.h"
 #include "ui/console.h"

backends/msmouse.c

@@ -23,7 +23,7 @@
  */
 #include "qemu/osdep.h"
 #include "qemu-common.h"
-#include "sysemu/char.h"
+#include "chardev/char.h"
 #include "ui/console.h"
 #include "ui/input.h"
 

backends/rng-egd.c

@@ -12,7 +12,7 @@
 
 #include "qemu/osdep.h"
 #include "sysemu/rng.h"
-#include "sysemu/char.h"
+#include "chardev/char.h"
 #include "qapi/error.h"
 #include "qapi/qmp/qerror.h"
 

backends/testdev.c

@@ -25,7 +25,7 @@
  */
 #include "qemu/osdep.h"
 #include "qemu-common.h"
-#include "sysemu/char.h"
+#include "chardev/char.h"
 
 #define BUF_SIZE 32
 

backends/wctablet.c

@@ -32,7 +32,7 @@
 
 #include "qemu/osdep.h"
 #include "qemu-common.h"
-#include "sysemu/char.h"
+#include "chardev/char.h"
 #include "ui/console.h"
 #include "ui/input.h"
 #include "trace.h"