hippomocks: Import sources from upstream
From:
https://github.com/dascandy/hippomocks/archive/
8e210c5808d490b26fff69151c801fa28d291fcb.zip
It is strongly recommended to rely on scons instead,
if not possible, this change workaround this.
For more details about building IoTivity please check:
https://wiki.iotivity.org/build
Bug: https://jira.iotivity.org/browse/IOT-820
Bug-Tizen: https://bugs.tizen.org/jira/browse/TINF-861
Change-Id: Ibfddc7be509ec992bfaa7a7bf6759a12b56a9f02
Origin: https://gerrit.iotivity.org/gerrit/#/c/11747/
Signed-off-by: Philippe Coval <philippe.coval@osg.samsung.com>