build: Add stack and logger pathes to pkg-config

build: Add stack and logger pathes to pkg-config

This will prevent errors, like:

/usr/include/iotivity/resource/octypes.h:32:27: \
 fatal error: ocstackconfig.h: No such file or directory

It was tested on Debian

Bug: https://jira.iotivity.org/browse/IOT-1745
Change-Id: I8a4f06cd05158e8659628a654dfdbe7e1784e4bc
Signed-off-by: Philippe Coval <philippe.coval@osg.samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/17845
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Mats Wichmann <mats@linux.com>
Reviewed-by: Ashok Babu Channa <ashok.channa@samsung.com>