Break GdDevice into GdDevice and GdCertDevice
am: 87ddd5b26f

Change-Id: I9fb0d8bdb0b718a8846de25f5aaa8fbdaa33c1e4
tree: b9fa351036d2085c82e1dd29638e55f33f592e87
  1. embdrv/
  2. NOTICE