[drivers][usb] Bound host interface setup and cleanup

[manyangshen]

拉取/合并请求描述：(PR description)

The legacy USB host uses bNumInterfaces to index a fixed interface array. Reject counts above USB_MAX_INTERFACE after reading the full configuration descriptor. Detach must also stay within the array because it can run after a failed attach with an invalid descriptor.

Fixes #11288.

Validation

GCC 16.1 host tests compile the complete host core and class-driver manager with an emulated HCD. They pass valid counts of 0, 1 and 8; invalid counts of 9 and 255; differing header/full-descriptor counts; and partial setup followed by detach. The original code fails. Checks include class callbacks, allocation cleanup and adjacent device state.

Changed-line clang-format and git diff --check pass. No target BSP, QEMU or physical USB enumeration test was run. Other descriptor-length checks are outside this change.

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代码质量 Code Quality：

我在这个拉取/合并请求中已经考虑了 As part of this pull request, I've considered the following:

• 已经仔细查看过代码改动的对比 Already check the difference between PR and old code
• 代码风格正确，包括缩进空格，命名及其他风格 Style guide is adhered to, including spacing, naming and other styles
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• 对难懂代码均提供对应的注释 I've commented appropriately where code is tricky
• 代码是高质量的 Code in this PR is of high quality
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[github-actions]

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[github-actions]

📌 Code Review Assignment

🏷️ Tag: components

Reviewers: @Maihuanyi

Changed Files (Click to expand)

• components/legacy/usb/usbhost/core/usbhost_core.c

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📊 Current Review Status (Last Updated: 2026-09-22 18:48 CST)

• ⌛ @Maihuanyi Pending Review

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