SpacemiT K1: Remove patches that made it upstream

[pyavitz]

This applies to Linux 7.2-RC2

Summary by CodeRabbit

• Bug Fixes

  • Updated platform-level memory and DMA handling for systems with high-memory configurations.
  • Improved SPI interrupt error reporting and preserved clearer failure behavior during DMA setup.

• Chores

  • Removed obsolete patch content from the archived kernel patch set.
  • Simplified low-level error handling without changing public interfaces.

[coderabbitai]

📝 Walkthrough

Walkthrough

The pull request deletes the archived SWIOTLB initialization patch and the SpacemiT SPI error-handling patch. The SPI patch previously removed redundant dev_err_probe() wrappers around IRQ failures.

Changes

SpacemiT 7.2 patch cleanup

Layer / File(s)	Summary
Archived kernel patch removal and SPI error handling patch/kernel/archive/spacemit-7.2/003-*, patch/kernel/archive/spacemit-7.2/007-*	Deletes the SWIOTLB initialization patch. Removes redundant dev_err_probe() wrappers from SPI IRQ retrieval and request failures.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• armbian/build#10269: Removes a related SPI patch and overlapping k1_spi_probe() error-handling changes.

Suggested labels: Build

Suggested reviewers: sven-ola, igorpecovnik, heymeco

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the removal of SpacemiT K1 patches that were incorporated upstream.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[github-actions]

✅ This PR has been reviewed and approved — all set for merge!