Hardware and Firmare revisions for NE

[italobusi]

It is not clear why for the network elements, the hardware-rev is defined but the firmware-rev is not defined: it should either have both hardware-rev and firmware-rev or none

[italobusi]

2024-03-06 Base Network Inventory weekly call

It is not clear why for the network elements, the hardware-rev is defined but the firmware-rev is not defined: it should either have both hardware-rev and firmware-rev or none

• [ ] @italobusi @YuChaode check with Fabio and minutes of previous CCAMP WG meetings about the previous discussion in CCAMP WG

We can later revise the motivations discussed in CCAMP WG and update the model as appropriate