odin: accept files with .sv extension

[tgorochowik]

This change is needed to make Odin_II accept SystemVerilog files.

Motivation and Context

Using Odin_II with SystemVerilog to potentially see what is there and what is missing.

How Has This Been Tested?

By getting Odin to use a file with the .sv extension.

Types of changes

• Bug fix (change which fixes an issue)
• New feature (change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My change requires a change to the documentation
• I have updated the documentation accordingly
• I have added tests to cover my changes
• All new and existing tests passed

Not all tests pass on my machine, but they don't pass without this patch either and I don't think they should be affected by this change so I'll just let the CI verify it.

[jeanlego]

I wouldn't add support for .sv files since we don't support System Verilog.
what could be done is to change the error triggered on unsupported files, to a simple warning and let Odin continue. The warning would let the user know that their files are most likely not supported but we will give it a go.

@ademmings thoughts?

maybe default to an error message unless a flag (i.e. --permissive) is passed, and then use a warning message rather?

[ademmings]

Agreed - we shouldn't accept SV files the way that we accept Verilog files, because it wrongly implies that Odin supports SV. If we want to allow SV files to be passed through for experimental purposes, then a flag/warning would be a better approach.

[jeanlego]

Closing as we resolve with PR #905