tizen: prevent building as seems unsuported on 32bit arch
tizen: prevent building as seems unsuported on 32bit arch

Let's disable it for Tizen now, like for android or iOS.

Error was observed while building for Tizen:2.3.1:Wearable on i586 or armv7l :

  #error "Requires IEEE 754 floating point!"

Change-Id: Ibd7ccbc0e8405aa3cbace45a2a0ae65ce35c87f3
Signed-off-by: Philippe Coval <ff46fec9739d31cce915aabcc3a7a2c00eee4d6c@osg.samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/6139
Tested-by: jenkins-iotivity <09cb29e8a2b473a2c978382eec13ee06fa017bda@opendaylight.org>
Reviewed-by: Sanjeev BA <878200f60de2c0c3125f6db2b76e336021bcd868@samsung.com>
Reviewed-by: Ziran Sun <3baa2a3e3c6d96dba4b6f1736d53815847db9a07@samsung.com>
Reviewed-by: Uze Choi <3a26c91d8a4a3c9e246e43339f4782bb2483aece@samsung.com>

iotivity/iotivity,rzr/iotivity,iotivity/iotivity,santais/iotivity_1.1,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,rzr/iotivity,santais/iotivity_1.1,rzr/iotivity,santais/iotivity_1.1,rzr/iotivity,rzr/iotivity,santais/iotivity_1.1,santais/iotivity_1.1,santais/iotivity_1.1,rzr/iotivity,santais/iotivity_1.1,santais/iotivity_1.1,rzr/iotivity