[Win32] Add secure provisioning and stack samples

[Win32] Add secure provisioning and stack samples

* Modified Linux secure stack samples to support an msys_nt target
* Configured SCons scripts to build provisioning code in security

Change-Id: I59442e937bf0df9b37894466b2c017f31f13dd9e
Signed-off-by: Henry Beberman <henry.beberman@intel.com>
Signed-off-by: Daniel Ferguson <daniel.j.ferguson@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/5519
Reviewed-by: David Antler <david.a.antler@intel.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>