Added from Linux - commit 30ecad51849ae132dc6ef6ddb62d499c7257515b

Include config file to ignore common false-positives

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Cc: Joe Hershberger <joe.hershberger@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>