HID: Kconfig: fix "-- help---"

Signed-off-by: Paul Bolle <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>

drivers/hid/Kconfig

···
 	depends on USB_HID && GENERIC_HARDIRQS
 	select MFD_CORE
 	default n
-	-- help---
+	---help---
 	  Support for HID Sensor framework. This creates a MFD instance
 	  for a sensor hub and identifies all the sensors connected to it.
 	  Each sensor is registered as a MFD cell, so that sensor specific