linux-yocto/5.10: rcu: Fix stall-warning deadlock due to non-release of rcu_node ->lock

Integrating the following commit(s) to linux-yocto/5.10:

    139fe7d68413 rcu: Fix stall-warning deadlock due to non-release of rcu_node ->lock

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>