commit f0798d6a upstream.

Clearly this was meant to be an include guard, but a trailing
underscore was missing. It has been this way since the file was
introduced in 0fe6f1d1 ("usb: udc: add Faraday fusb300 driver").

Fixes: 0fe6f1d1 ("usb: udc: add Faraday fusb300 driver")
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>