Fix for Bug 934 - issue in validations for nuetronPort creation and updatePort

Change-Id: I642faf51a4e986ba3a379f51edc71b4f1398b95b
Signed-off-by: ankit21a <ankit21.a@tcs.com>
Merge "Fix for Bug 934 - issue in validations for nuetronPort creation and updatePort"