rockchip64-6.18: fix helios64 pcie patch

[igorpecovnik]

Description

Remove ep-gpios property and max-link-speed, set status to okay for pcie0.

How Has This Been Tested?

• Patching works

Checklist:

• My changes generate no new warnings

Summary by CodeRabbit

• Bug Fixes
  • Improved Helios64 board PCI Express endpoint configuration to enhance system stability, hardware compatibility, and peripheral device communication reliability.
  • Optimized endpoint link speed parameters and GPIO signal handling for better power management and overall system performance.
  • Enhanced device communication protocols to ensure stable connections with attached peripherals and improved user experience.

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📝 Walkthrough

Walkthrough

A device-tree patch for the Helios64 board removes the PCIe endpoint GPIO and the max-link-speed property, and sets the &pcie0 node's status to "okay".

Changes

Cohort / File(s)	Summary
Device Tree Patch patch/kernel/archive/rockchip64-6.18/board-helios64-remove-pcie-ep-gpios.patch	Removed ep-gpios = <&gpio2 RK_PD4 GPIO_ACTIVE_HIGH> and max-link-speed = <2> from the &pcie0 node; added status = "okay" to the same node.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐇 I nibble traces where the signals play,
A GPIO gone, the speed swept away,
One tiny word, now softly spoke:
"okay" — the board begins to wake.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch bugfix

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