Backport the fix for glibc bug 32214.
The missing randomness in early boot may cause some systemd services
to fail when they occasionally try to create tempdirs like
/run/systemd/namespace-aaaaaa at the same time.
The error messages can contain things like
"Failed to set up mount namespacing".
(From OE-Core rev: 0bb6aa06db5bf2e89d1c499e84a0a8cedbd8f0a7)
Signed-off-by: Ola x Nilsson <olani@axis.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>