ocf.patch for mbedtls compatibility fix
ocf.patch for mbedtls compatibility fix

Fixed to comfirm compatibility in case if no PSK hint received on the client side.

Change-Id: I2860188f966d8a71dbd834873f206b3ae78ec93e
Signed-off-by: Oleksii Beketov <8b8402ce463b3ba6094920b3493fffa206a8eaa1@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/14815
Tested-by: jenkins-iotivity <09cb29e8a2b473a2c978382eec13ee06fa017bda@opendaylight.org>
Reviewed-by: Joonghwan Lee <055df266995d2d7dc20d12dc07a4248315b7c0fc@samsung.com>
Reviewed-by: Phil Coval <ff46fec9739d31cce915aabcc3a7a2c00eee4d6c@osg.samsung.com>
Reviewed-by: Chul Lee <05de7e851f9410687d87fe9c2ea4411f2e0ec0c4@samsung.com>
Reviewed-by: Randeep Singh <46ce9385024397d3e4d9ed63be2e0a0d801e95b7@samsung.com>
(cherry picked from commit 12f1087b073263dc6122dd04c06b5ee070d83b32)
Reviewed-on: https://gerrit.iotivity.org/gerrit/14881

rzr/iotivity,iotivity/iotivity,rzr/iotivity,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,rzr/iotivity,iotivity/iotivity,rzr/iotivity,rzr/iotivity,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,rzr/iotivity,rzr/iotivity