These patches stop secondary CPUs before restart and wait for them
to go offline, fixing the mt7621 reboot deadlock without needing to
disable CONFIG_LIST_HARDENED.
Signed-off-by: Rany Hany <rany_hany@riseup.net>
Link: https://github.com/openwrt/openwrt/pull/22724
(cherry picked from commit 3166710fc9)
Link: https://github.com/openwrt/openwrt/pull/22673
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
fdeb6d6a9f