Input: add new serio driver for Xilinx XPS PS2 IP

Added a new driver for Xilinx XPS PS2 IP. This driver is
a flat driver to better match the Linux driver pattern.
Signed-off-by: Sadanand <sadanan@xilinx.com>
Signed-off-by: John Linn <john.linn@xilinx.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/serio/Kconfig

@@ -190,4 +190,14 @@ config SERIO_RAW
 	  To compile this driver as a module, choose M here: the
 	  module will be called serio_raw.
 
+config SERIO_XILINX_XPS_PS2
+	tristate "Xilinx XPS PS/2 Controller Support"
+	depends on PPC
+	help
+	  This driver supports XPS PS/2 IP from the Xilinx EDK on
+	  PowerPC platform.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called xilinx_ps2.
+
 endif

drivers/input/serio/Makefile

@@ -21,3 +21,4 @@ obj-$(CONFIG_SERIO_PCIPS2)	+= pcips2.o
 obj-$(CONFIG_SERIO_MACEPS2)	+= maceps2.o
 obj-$(CONFIG_SERIO_LIBPS2)	+= libps2.o
 obj-$(CONFIG_SERIO_RAW)		+= serio_raw.o
+obj-$(CONFIG_SERIO_XILINX_XPS_PS2)	+= xilinx_ps2.o