Add upstream patching fixing CVE-2016-2447: psk configuration parameter update
allowing arbitrary data to be written.
See http://w1.fi/security/2016-1/psk-parameter-config-update.txt for details.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
