Add inventory attributes 'BIOS vendor' and 'BIOS version' on Windows

(cherry picked from commit 950ac874bfca7b840d6084acc7d3f2e032c89617)
remove unused dmi inventory vars

(cherry picked from commit 63b7071eef7d7785472e58e0f90799c392b1365d)
Add inventory 'CPU model' on Windows

(cherry picked from commit 972b02c98b01cbebe5c4e32225469055d13b9cec)
Add inventory 'System manufacturer' on Windows

(cherry picked from commit 8f623f20367cdbce640e6f0428b8887522d6c6a4)