pkg-config is used by the kernel build system when creating the
configuration tools.
(From OE-Core rev: 8e756a808267da26c5c93729438e5757146be534)
Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>