Claude review: drm/tegra: dp: fix kernel-doc warnings in dp.h

[Claude Code Review Bot <claude-review@example.com>]

Patch Review

Four changes, all correct:

**1. Missing `@` prefix on `tps3_supported`:**

> ```
> -	 * tps3_supported:
> +	 * @tps3_supported:
> ```

Straightforward fix. All other members in `struct drm_dp_link_caps` already use the `@` prefix; this one was simply missing it.

**2-3. Empty short descriptions for `apply_training` and `configure`:**

> ```
> -	 * @apply_training:
> +	 * @apply_training: apply the link training
> ```

> ```
> -	 * @configure:
> +	 * @configure: configure the DP link
> ```

kernel-doc warns when a member tag has no description text after the colon. Adding short descriptions resolves the warnings. The descriptions are terse but adequate for self-explanatory callback names.

**4. Moving nested struct member docs to the parent struct's kernel-doc block:**

> ```
> + * @aux_rd_interval.cr: clock recovery read interval
> + * @aux_rd_interval.ce: channel equalization read interval
> ```

> ```
> -	/**
> -	 * @cr: clock recovery read interval
> -	 * @ce: channel equalization read interval
> -	 */
>  	struct {
>  		unsigned int cr;
>  		unsigned int ce;
> ```

The old placement used `@cr` and `@ce` as if they were top-level members of `struct drm_dp_link`, which kernel-doc doesn't understand for anonymous nested structs -- it produced an "Excess struct member 'cr'" warning. Moving them to the parent struct's doc block with the `@aux_rd_interval.cr` / `@aux_rd_interval.ce` dotted notation is the correct kernel-doc approach for documenting anonymous nested struct members.

No issues found. The patch is correct and ready to apply.

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