Add Fairphone 2 blobs check and makefile

Since Fairphone 2 proprietary blobs have been moved and they will be provided
as separate package this commit add a check in the build process to verify the
presence of blobs before continuing.

Issue: FP2N-322
Change-Id: I7f2a65793689128fcb301f6b2a263d988a331854
1 file changed
tree: 4bdf252fd2ab44072e01fafd800b146b7c3ab4f1
  1. camera_detect/
  2. overlay/
  3. rootdir/
  4. Android.mk
  5. device.mk