include-what-you-use: new recipe

[ceggers-arri]

Clang based checker for C/C++ header includes. "Experimental software, as of June 2024.", but definitely very useful.

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• Changes have been tested
• Signed-off-by is present
• The PR complies with the Open Embedded Commit Patch Message Guidelines

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  • 'Approve' if this change would be acceptable in the codebase (even if there are minor or cosmetic tweaks that could be improved).
  • 'Request Changes' if this change would not be acceptable in our codebase (e.g. bugs, changes that will make development harder in future, security/performance issues, etc).
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[kraj]

LGTM