added struct, enum and modified struct, enum

added struct, enum and modified struct, enum

resource of noti. service support to mandatory field and optional field.
so, added optional field of struct and enum.
and then modified rename the field.

Change-Id: I45dc1d5763496e1c74225fae9ad71c95be2c2f9b
Signed-off-by: jaesick.shin <jaesick.shin@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/8593
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Uze Choi <uzchoi@samsung.com>
Tested-by: Uze Choi <uzchoi@samsung.com>