Add CORE clock support

[chungshien-chai]

Motivate of the pull request

• To address an existing issue. If so, please provide a link to the issue:
• Breaking new feature. If so, please describe details in the description part.

Describe the technical details

What is currently done? (Provide issue link if applicable)

What does this pull request change?

Which part of the code base require a change

• Library:
• Plug-in:
• Engine
• Documentation
• Regression tests
• Continous Integration (CI) scripts

This is to support CORE clock determination by ovewrite IO clock out mux.
The original bitstream_setting.xml will be modified before supplying to OpenFPGA
bitstream_setting.xml might have the IO clock out mux information that we would like to set.

Note: Backend with lastest OpenFPGA will need to merged into Raptor first or same time with this PR into Raptor

Testing done:

• Port OpenFPGA overwrite-bitstream support and this change to latest NS Raptor
• Run test/batch, test/batch_gen2 and test/batch_gen3

Impact of the pull request

• Require a change on Quality of Results (QoR)
• Break back-compatibility. If so, please list who may be influenced.

[codecov]

Codecov Report

Attention: Patch coverage is 61.01695% with 46 lines in your changes missing coverage. Please review.

Project coverage is 14.73%. Comparing base (4ce7fec) to head (1403f05).

Files	Patch %	Lines
src/Compiler/CompilerOpenFPGA.cpp	0.00%	25 Missing ⚠️
.../ModelConfig/ModelConfig_BITSTREAM_SETTING_XML.cpp	72.00%	4 Missing and 17 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1668      +/-   ##
==========================================
+ Coverage   14.64%   14.73%   +0.08%     
==========================================
  Files         478      480       +2     
  Lines       63617    63729     +112     
  Branches    25948    26083     +135     
==========================================
+ Hits         9319     9390      +71     
- Misses      53102    53135      +33     
- Partials     1196     1204       +8     

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