Integrate LLVM at 24c2c74bd29d4d550974f8249cbf8fdf1d033bfd

This integrates LLVM as of 24c2c74bd29d4d550974f8249cbf8fdf1d033bfd,
but with two reverts applied:

- 27930a4f86003e2a43c6b1b5c63360725052e330
  Revert "[MLIR][Linalg] Re-land linalg.matmul move to ODS. +
          Remove/update failing obsolete OpDSL tests. (#115319)"
  This reverts commit 3ad0148020ca91cc288bffd8ad36e25f7555a3bb.

- 202f092af01071080d943c9ee342797473c9c1a
  Revert "[MLIR][Linalg] Fix unclosed code block which broke generated
          docs - NFC (#115763)"
  This reverts commit c02b8a01b7caf2e4ffe17a123f1bcf59192e4b39.

The following commits previously applied on top of LLVM have been
dropped as they are no longer needed:

- 889525fa99b251dc962edb516e0108088ba7e44d
  [mlir][Tensor] Add discardable attrs back in cast(pack) folder

- a07e80ce836faaddf99c474e1646d2b18afa5f7b
  [mlir] Fix condition for fusability in consumer fusion API