Add configuration optimization to run SONiC on DPU

[oleksandrivantsiv]

Why I did it

• The Appliance DPU supports a limited subset of the configuration defined in the SONiC DASH HLD.

• Configure SWSS and GMNI to communicate on the Appliance DPU.

• Add a sample configuration for the appliance topology.

Work item tracking

• Microsoft ADO (number only):

How I did it

Disable configuration unsupported by the Appliance DPU based on the device type.

How to verify it

Run VNET-to-VNET sonic-mgmt test.

Which release branch to backport (provide reason below if selected)

• [ ] 201811
• [ ] 201911
• [ ] 202006
• [ ] 202012
• [ ] 202106
• [ ] 202111
• [ ] 202205
• [ ] 202211
• [ ] 202305

Tested branch (Please provide the tested image version)

• [ ]
• [ ]

Description for the changelog

Link to config_db schema for YANG module changes

A picture of a cute animal (not mandatory but encouraged)