tizen: also support ARMv7 machine

tizen: also support ARMv7 machine

It was successfully tested on :

* Tizen:2.4:Mobile profile (TM1 and Samsung Z1)
* Tizen:2.3:Wearable profile (GearS)

Change-Id: I9e43f35ed2fa18e7dc691f1f5cbfa9a2e4830aad
Signed-off-by: Philippe Coval <philippe.coval@osg.samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/5363
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Ziran Sun <ziran.sun@samsung.com>
Reviewed-by: Trevor Bramwell <tbramwell@linuxfoundation.org>
Reviewed-by: Hauke Mehrtens <hauke.mehrtens@intel.com>
Reviewed-by: Ashok Babu Channa <ashok.channa@samsung.com>