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>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 32fa2dd..8b8269f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -653,6 +653,7 @@
 	select SPL_DISABLE_OF_CONTROL
 	select USB
 	select USB_STORAGE
+	select USB_KEYBOARD
 
 config TARGET_SNOWBALL
 	bool "Support snowball"
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index e1c5e1d..c4b5a85 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -539,13 +539,6 @@
 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