This patch adds autoconf check for libudev and migrates
usbip_bind to the new library.

libsysfs will still be used until all userspace is modified.
Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Reviewed-by: Shuah Khan <shuah.kh@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>