[PATCH] usb: gadget: bcm63xx_udc: fix up the error of undeclared usb_debug_root

[Greg Kroah-Hartman]

On Mon, Sep 14, 2020 at 01:38:50PM +0800, Chunfeng Yun wrote:
> Fix up the build error caused by undeclared usb_debug_root
> 
> Cc: stable <stable at vger.kernel.org>
> Fixes: a66ada4f241c("usb: gadget: bcm63xx_udc: create debugfs directory under usb root")

Nit, you need a ' ' before the '(' character...

thanks,

greg k-h