Input: mark {corgi,spitz,tosa}kbd drivers deprecated

Provided that now keyboards on these devices are fully supported by
generic GPIO based matrix keypad driver, mark these hardcoded and
difficult to maintain drivers as deprecated.
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

Documentation/feature-removal-schedule.txt

@@ -542,3 +542,14 @@ Why:	Duplicate functionality with the gspca_zc3xx driver, zc0301 only
 	sensors) wich are also supported by the gspca_zc3xx driver
 	(which supports 53 USB-ID's in total)
 Who:	Hans de Goede <hdegoede@redhat.com>
+
+----------------------------
+
+What:	corgikbd, spitzkbd, tosakbd driver
+When:	2.6.35
+Files:	drivers/input/keyboard/{corgi,spitz,tosa}kbd.c
+Why:	We now have a generic GPIO based matrix keyboard driver that
+	are fully capable of handling all the keys on these devices.
+	The original drivers manipulate the GPIO registers directly
+	and so are difficult to maintain.
+Who:	Eric Miao <eric.y.miao@gmail.com>

drivers/input/keyboard/Kconfig

@@ -144,13 +144,15 @@ config KEYBOARD_BFIN
 	  module will be called bf54x-keys.
 
 config KEYBOARD_CORGI
-	tristate "Corgi keyboard"
+	tristate "Corgi keyboard (deprecated)"
 	depends on PXA_SHARPSL
-	default y
 	help
 	  Say Y here to enable the keyboard on the Sharp Zaurus SL-C7xx
 	  series of PDAs.
 
+	  This driver is now deprecated, use generic GPIO based matrix
+	  keyboard driver instead.
+
 	  To compile this driver as a module, choose M here: the
 	  module will be called corgikbd.
 
@@ -338,13 +340,15 @@ config KEYBOARD_PXA930_ROTARY
 	  module will be called pxa930_rotary.
 
 config KEYBOARD_SPITZ
-	tristate "Spitz keyboard"
+	tristate "Spitz keyboard (deprecated)"
 	depends on PXA_SHARPSL
-	default y
 	help
 	  Say Y here to enable the keyboard on the Sharp Zaurus SL-C1000,
 	  SL-C3000 and Sl-C3100 series of PDAs.
 
+	  This driver is now deprecated, use generic GPIO based matrix
+	  keyboard driver instead.
+
 	  To compile this driver as a module, choose M here: the
 	  module will be called spitzkbd.
 
@@ -411,12 +415,14 @@ config KEYBOARD_TWL4030
 	  module will be called twl4030_keypad.
 
 config KEYBOARD_TOSA
-	tristate "Tosa keyboard"
+	tristate "Tosa keyboard (deprecated)"
 	depends on MACH_TOSA
-	default y
 	help
 	  Say Y here to enable the keyboard on the Sharp Zaurus SL-6000x (Tosa)
 
+	  This driver is now deprecated, use generic GPIO based matrix
+	  keyboard driver instead.
+
 	  To compile this driver as a module, choose M here: the
 	  module will be called tosakbd.