Added Support for vrdma NIC Type

[cspnanda]

Description

Add Support for
Closes: #2765

Type of change

Please mark options that are relevant:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to
  not work as expected)
• This change requires a documentation update
• Build related change

How Has This Been Tested?

Yes
VM Creation
Before:

govc vm.create -m 2048 -c 2 -g freebsd64Guest -net.adapter vmxnet3vrdma -net=Management -disk.controller pvscsi -ds=vsanDatastore -dc=Datacenter -cluster=Cluster vm-name
govc: unknown ethernet card type 'vmxnet3vrdma'

After:

./govc vm.create -m 2048 -c 2 -g freebsd64Guest -net.adapter vmxnet3vrdma -net=Management -disk.controller pvscsi -ds=vsanDatastore -dc=Datacenter -cluster=Cluster vm-name
echo $?
0

Checklist:

• My code follows the CONTRIBUTION guidelines of
  this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged

[vmwclabot]

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[dougm]

Thanks @cspnanda

[vmwclabot]

@cspnanda, VMware has approved your signed contributor license agreement.