add Motorola OMAP4 devices

-edison (Atrix 2 MB865)
-maserati (Droid 4 XT894)
-spyder (Droid RAZR XT912)
-targa (Droid Bionic XT875)
-umts_spyder (RAZR XT910)
(Device repos: https://github.com/alteredlikeness?tab=repositories)