tizen: defines platform for logger

tizen: defines platform for logger

Fix Fail to build for sources :

  sampleserver_justworks.cpp:(.text+0x234): \
    undefined reference to `OCLog'

Relates to:

  https://gerrit.iotivity.org/gerrit/#/c/9311/

Change-Id: Ib721633c982aa28ec5d72dd1bd84cad7115b179c
Signed-off-by: Philippe Coval <philippe.coval@osg.samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/9475
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Ashwini  Kumar <k.ashwini@samsung.com>
Reviewed-by: Habib Virji <habib.virji@samsung.com>
Reviewed-by: Ziran Sun <ziran.sun@samsung.com>