samsung-herolte: Fix boot issues

Leahrequested to merge
leahh/pmaports:master into master

This is a relatively quick fix for the Galaxy S7 not booting.

I've:

  • Disabled the camera in the kernel config
  • included all firmware files from stock firmware

This is my first merge request, please let me know if I've done anything wrong and I'll do my best to fix it!

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