gcc 12 added a warning that triggers on access to low addresses. Add a
patch to allow access since this is normal for low level code.
Rebase our existing patch on top. While at it, add also a proper
Upstream tag.
Fixes:
https://gitlab.com/buildroot.org/buildroot/-/jobs/4795673785
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
