build: Fix the ios build break

build: Fix the ios build break

[srijon.sb]
iOS has been built successfully before,
but currently build fail happened due to some update in the IoTivity.
This fix resolves secure and insecure build of IoTivity for iOS

[Philippe Coval]
Rebased on renamed files and adapted,
removed cleanup changes (prefered in isolated patches)
Ported from 1.2-rel to master

Change-Id: I7599d02f1931f38a28eac90163aac5818540c5b9
Author: srijon.sb <srijon.sb@samsung.com>
Signed-off-by: srijon.sb <srijon.sb@samsung.com>
Signed-off-by: Philippe Coval <philippe.coval@osg.samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/14731
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-on: https://gerrit.iotivity.org/gerrit/16879
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Kevin Kane <kkane@microsoft.com>