This update for u-boot fixes the following issues:
{ "binaries": [ { "u-boot-rpi3": "2018.03-150000.4.11.1", "u-boot-tools": "2018.03-150000.4.11.1" } ] }
{ "binaries": [ { "u-boot-tools": "2018.03-150000.4.11.1" } ] }