Add DataType requirements for PNF Descriptor chapter

Proposed Change:

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5.1.10.2. Data Types

Requirement: R-484843

target: PNF

keyword: MUST

introduced:  Dublin

The PNFD provided by a PNF vendor MUST comply with the following Data Types as specified in ETSI NFV-SOL001 standard :

—tosca.datatypes.nfv.CpProtocolData

—tosca.datatypes.nfv.AddressData

—tosca.datatypes.nfv.L2AddressData

—tosca.datatypes.nfv.L3AddressData

—tosca.datatypes.nfv.LocationInfo

—tosca.datatypes.nfv.CivicAddressElement

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