This fixes the compilation error on utils/usbutil.c:22, 'usb.h' file
not found.
In file included from util/usbutil.c:22:
util/usbutil.h:23:10: fatal error: 'usb.h' file not found
#include <usb.h>
^~~~~~~
1 error generated.
make: *** [util/usbutil.o] Error 1
This fixes the compilation error on utils/usbutil.c:22, 'usb.h' file not found.