input: Remove legacy KEYBOARD option

There are no platforms that have not migrated to using DM_KEYBOARD,
remove the legacy option.

Cc: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

drivers/input/Kconfig

@@ -38,15 +38,6 @@ config TPL_DM_KEYBOARD
 	  includes methods to start/stop the device, check for available
 	  input and update LEDs if the keyboard has them.
 
-config KEYBOARD
-	bool "Enable legacy keyboard support (deprecated)"
-	help
-	  Enable this to enable a custom keyboard support.
-	  This simply calls drv_keyboard_init() which must be
-	  defined in your board-specific files. This option is deprecated
-	  and is only used by novena. For new boards, use driver model
-	  instead.
-
 config APPLE_SPI_KEYB
 	bool "Enable Apple SPI keyboard support"
 	depends on DM_KEYBOARD && DM_SPI

drivers/input/Makefile

@@ -3,7 +3,6 @@
 # (C) Copyright 2000-2007
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 
-obj-$(CONFIG_KEYBOARD) += input.o
 obj-$(CONFIG_$(SPL_TPL_)CROS_EC_KEYB) += cros_ec_keyb.o
 obj-$(CONFIG_$(SPL_TPL_)OF_CONTROL) += key_matrix.o
 obj-$(CONFIG_$(SPL_TPL_)DM_KEYBOARD) += input.o keyboard-uclass.o