feat(modprobe): add modprobe_persistent to enable persistent module…

[ttungbmt]

Introduce modprobe_persistent to control boot-time (persistent) module loading.

• Values: "disabled" (default), "present", "absent"
• "present": create entries in /etc/modules-load.d so systemd-modules-load loads modules at boot.
• "absent": remove previously created persistent entries (does not unload runtime modules).
• "disabled": keep previous behavior (runtime modprobe only), ensuring backward compatibility.

[Copilot]

Pull Request Overview

This PR introduces persistent module loading functionality to the modprobe role by adding a new modprobe_persistent variable that controls whether kernel modules are loaded at boot time through systemd-modules-load.

• Added modprobe_persistent parameter to control boot-time module loading behavior
• Added default configuration with "disabled" as the default value to maintain backward compatibility
• Updated the modprobe task to use the new persistent parameter

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
tasks/main.yml	Added persistent parameter to the modprobe task
defaults/main.yml	Added modprobe_persistent variable with default value and documentation

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