compat: backport usb_alloc_coherent() and usb_free_coherent()
-rw-r--r-- 18693 COPYRIGHT
-rw-r--r-- 1523 Makefile
drwxr-xr-x - compat
drwxr-xr-x - include
drwxr-xr-x - scripts
drwxr-xr-x - udev