Revert "Revert "Add baseband and firmwares from 9.8.2Q-50-XT925_VQLM-21""

This reverts commit 67b4c649c860822a2497e27ccf73e810e5cf0f4b.
Merge pull request #7 from pcarenza/jb-mr1

Revert "Revert "Add baseband and firmwares from 9.8.2Q-50-XT925_VQLM-21"...