[Linux] new testcase vtpm_cold_add_remove for linux

[ZouYuhua]

Task:
new testcase vtpm_cold_add_remove for linux: GOSV-2531

[Tomorrow9]

Overall, the multiple one small shell command tasks can be put in one task, e.g.,

    - name: Execute multiple commands using a multi-line string
      ansible.builtin.shell: |
        cd /var/www/html
        git pull origin main
        systemctl restart apache2
      args:
        chdir: /var/www/html # Change working directory before execution
        executable: /bin/bash # Specify the shell to use

[ZouYuhua]

Note: Testing shows vTPM.enable.tpm2_activatecredential is not supported currently