rockchip: add rtl8152 and dm9601 usb ethernet

[netrunnereve]

Description

As discussed in #9630 this enables support for the dm9601 ethernet adapter on the Luckfox Lyra. I also had a rtl8152 adapter lying around and got that one working as well on my board.

My guess is that probably more adapters can be enabled here, but obviously I have no way to test that.

How Has This Been Tested?

Both usb ethernet adapters are working properly with network access on my Luckfox Lyra using the Lyra Plus board setup.

My compile command: ./compile.sh BOARD=luckfox-lyra-plus BRANCH=vendor PREFER_DOCKER=yes BUILD_DESKTOP=no BUILD_MINIMAL=yes RELEASE=trixie KERNEL_GIT=shallow EXTRAWIFI=no KERNEL_CONFIGURE=no KERNEL_BTF=yes

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• My changes generate no new warnings

Summary by CodeRabbit

• New Features
  • Added support for USB-to-Ethernet adapters to enhance connectivity options.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 4d2878a3-aff3-409a-9882-26d4a5c1e67d

📥 Commits

Reviewing files that changed from the base of the PR and between 28862c7 and 757661b.

📒 Files selected for processing (1)

• config/kernel/linux-rockchip-vendor.config

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📝 Walkthrough

Walkthrough

The pull request enables specific USB-to-Ethernet network drivers (RTL8152, USBNET, DM9601) in the Rockchip vendor kernel configuration, replacing a previous blanket disable of USB network drivers while explicitly keeping other USB network driver options disabled.

Changes

Cohort / File(s)	Summary
Kernel Configuration config/kernel/linux-rockchip-vendor.config	Enabled three USB network drivers as modules (RTL8152, USBNET, DM9601) and explicitly disabled seven other USB network driver options. Replaced blanket USB network driver disable with selective driver configuration.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Poem

🐰 A kernel so fine, with drivers anew,
USB Ethernet ports now shine through,
RTL, USBNET, DM9601 sing,
Rockchip connectivity takes wing! 🌐

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The pull request title directly matches the main change: enabling USB Ethernet drivers (rtl8152 and dm9601) in the Rockchip kernel configuration.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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