usb: feed USB device information to the /dev/random driver

Send the USB device's serial, product, and manufacturer strings to
the
/dev/random driver to help seed its pools.

Cc: Linus Torvalds
<torvalds@linux-foundation.org>
Acked-by: Greg KH
<greg@kroah.com>
Signed-off-by: "Theodore Ts'o"
<tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman
<gregkh@linuxfoundation.org>

Conflicts:

 drivers/usb/core/hub.c

idea
is taken here -
https://github.com/varunchitre15/thunderzap_xl/commit/888cda2419d9c6733d264dc7441432ee26a67dc2