[code-reflection] RFR: Add kernel entrypoint to ModuleOp [v2]

[Ruby Chen]

> Include the kernel (and compute) entrypoints in their respective ModuleOps.

Ruby Chen has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:

 - Merge branch 'code-reflection' into cleanup
 - Add kernel entrypoint to ModuleOp

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Changes: https://git.openjdk.org/babylon/pull/605/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=605&range=01
  Stats: 45 lines in 2 files changed: 11 ins; 22 del; 12 mod
  Patch: https://git.openjdk.org/babylon/pull/605.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/605/head:pull/605

PR: https://git.openjdk.org/babylon/pull/605