Input: move input-polldev to drivers/input

To work around deficiences in Kconfig that allows to "select"
a symbol without automatically selecting all dependencies for
that symbol move input-polldev from drivers/input/misc to
drivers/input thus removing extra dependency on CONFIG_INPUT_MISC.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/Kconfig

@@ -38,6 +38,19 @@ config INPUT_FF_MEMLESS
 	  To compile this driver as a module, choose M here: the
 	  module will be called ff-memless.
 
+config INPUT_POLLDEV
+	tristate "Polled input device skeleton"
+	help
+	  Say Y here if you are using a driver for an input
+	  device that periodically polls hardware state. This
+	  option is only useful for out-of-tree drivers since
+	  in-tree drivers select it automatically.
+
+	  If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called input-polldev.
+
 comment "Userland interfaces"
 
 config INPUT_MOUSEDEV