sunxi: Drop our own copy of the USB_KEYBOARD options

USB_KEYBOARD is now defined in drivers/usb/Kconfig, drop our own duplicate
definition.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>

arch/arm/Kconfig

@@ -653,6 +653,7 @@ config ARCH_SUNXI
 	select SPL_DISABLE_OF_CONTROL
 	select USB
 	select USB_STORAGE
+	select USB_KEYBOARD
 
 config TARGET_SNOWBALL
 	bool "Support snowball"

board/sunxi/Kconfig

@@ -539,13 +539,6 @@ config VIDEO_LCD_TL059WV5C0
 endchoice
 
 
-config USB_KEYBOARD
-	boolean "Enable USB keyboard support"
-	default y
-	---help---
-	Say Y here to add support for using a USB keyboard (typically used
-	in combination with a graphical console).
-
 config GMAC_TX_DELAY
 	int "GMAC Transmit Clock Delay Chain"
 	default 0