Input: add driver for Altera PS/2 controller

This patch adds a new SERIO driver to support the Altera University
Program PS/2 controller.

[dtor@mail.ru: assorted cleanups]
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
index aa533ce..7e319d6 100644
--- a/drivers/input/serio/Kconfig
+++ b/drivers/input/serio/Kconfig
@@ -201,4 +201,12 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called xilinx_ps2.
 
+config SERIO_ALTERA_PS2
+	tristate "Altera UP PS/2 controller"
+	help
+	  Say Y here if you have Altera University Program PS/2 ports.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called altera_ps2.
+
 endif