This is needed for the older kernel perf tools to build correctly, as
noted in the patch new perf tools have sys/resource.h included directly.
(From OE-Core rev: 21a57b98ff5091a5563c00093081297a6c586208)
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>