Makefile changes for new skipCheckFlag

[piyush-garg]

We added a new skipCheckFlag to skip tkn version -c flag
during build. This will add changes to handle that in
makefile target

Submitter Checklist

These are the criteria that every PR should meet, please check them off as you
review them:

• Includes tests (if functionality changed/added)
• Run the code checkers with make check
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Release Notes

Makefile changes for new skipCheckFlag

[vdemeester]

/meow
/cc @chmouel

[tekton-robot]

@vdemeester:

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/cc @chmouel

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[tekton-robot]

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[pradeepitm12]

/lgtm