The static PIE patch was updated by Juro Bystricky <juro.bystricky@intel.com>
to work with gcc 7.3.
This update from the stable gcc 7 branch includes the retpoline
functionality which is useful to assist with recent security issues.
Two backported patches were dropped as they're included in 7.3.
(From OE-Core rev: 99b1998157ecbd2bc8ac7c24fae859d48b152f58)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>