Input: add Austria Microsystem AS5011 joystick driver

This is driver for EasyPoint AS5011 2 axis joystick chip. This chip is
plugged on an I2C bus.

Tested on ARM processor (i.MX27).

Signed-off-by: Fabien Marteau <fabien.marteau@armadeus.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig
index 5b59616..56eb471 100644
--- a/drivers/input/joystick/Kconfig
+++ b/drivers/input/joystick/Kconfig
@@ -255,6 +255,16 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called amijoy.
 
+config JOYSTICK_AS5011
+	tristate "Austria Microsystem AS5011 joystick"
+	depends on I2C
+	help
+	  Say Y here if you have an AS5011 digital joystick connected to your
+	  system.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called as5011.
+
 config JOYSTICK_JOYDUMP
 	tristate "Gameport data dumper"
 	select GAMEPORT