csdk: Use OIC_LOG instead of OIC_LOG_V for logging single string

csdk: Use OIC_LOG instead of OIC_LOG_V for logging single string

This was creating mess with arduino macros (using VA lists).
An other patch to come later

Change-Id: I9657e11c96e84f375408e732917a275c7c3c1fb0
Signed-off-by: Philippe Coval <philippe.coval@osg.samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/17439
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Dan Mihai <Daniel.Mihai@microsoft.com>