HID: holtek: Holtek devices depends on USB_HID

In the HID drivers tranport cleanup series, I removed the dependency
between hid-holtek and usbhid. This was wrong as hid-holtek.c relies
extensively on usb calls.

This fixes compilation error when CONFIG_USB_SUPPORT is not enabled.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/Kconfig

@@ -215,7 +215,7 @@ config HID_EZKEY
 
 config HID_HOLTEK
 	tristate "Holtek HID devices"
-	depends on HID
+	depends on USB_HID
 	---help---
 	Support for Holtek based devices:
 	  - Holtek On Line Grip based game controller