Spamming the build host's syslog with useradd information during image creation
isn't great. Add a patch to disable that.
It may be possible to convince upstream to make it a configure option but for
now the patch is trivial and reduces host impact to the logs.
(From OE-Core rev: a52572886e60e4aff9d54b57bf45a301e1dec1ee)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
