Add (temporarily) I-D about operational state.
Add (temporarily) I-D about operational state.

Martin's initial version.
jgatkinsn/pyang,kspviswa/pyang,brenoah/pyang,acidjunk/pyang,kspviswa/pyang,mbj4668/pyang,krvinay123/test,brenoah/pyang,acidjunk/pyang,vkosuri/pyang,mbj4668/pyang,vkosuri/pyang,krvinay123/test,jgatkinsn/pyang