This patch brings the initial integration of Fwupd Backend.
- This backend was implemented as the part of my GSoC"18 Project, its link can be found here:
https://summerofcode.withgoogle.com/projects/?sp-search=abhijeet#5140246090481664 - The status report for this backend can be found here:
https://community.kde.org/GSoC/2018/StatusReports/AbhijeetSharma