Claude review: drm/managed: fix drmm_add_action() kernel-doc

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

Patch Review

This patch fixes a kernel-doc `@parameter` reference error in the `drmm_add_action()` macro documentation.

**Before:**
```c
 * This function adds the @release action with optional parameter @data to the
```

**After:**
```c
 * This function adds the release @action with optional parameter @data to the
```

The macro's parameters are `dev`, `action`, and `data`. The old text used `@release`, which is not a parameter — kernel-doc would flag this as an undocumented/invalid reference. The fix swaps the `@` to correctly annotate `@action` (the actual parameter) and makes `release` a plain descriptive word. This is correct.

I confirmed by reading `include/drm/drm_managed.h:15-26` — the macro is:
```c
#define drmm_add_action(dev, action, data) \
	__drmm_add_action(dev, action, data, #action)
```

The parameter list is `@dev`, `@action`, `@data` — matching the corrected doc.

**Reviewed-by worthy:** Yes.

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