VBIOS overlay support is not used anywhere, and it introduces a dependency to Linux PCIe. Instead of fixing it, just delete the code. Change-Id: I751e490f8bb8271a19b917686f5d2c8a85d92cb7 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1541512 Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Sourab Gupta <sourabg@nvidia.com> GVS: Gerrit_Virtual_Submit