Update readme to latest Boron

4 jobs for master in 58 minutes and 16 seconds (queued for 1 second)
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Summary: 1 task failed:
Summary: There were 2 ERROR messages shown, returning a non-zero exit code.
vesta-general developer build FAILED
bin vesta-gateway-bsp-master START vesta-general minimal build bin vesta-gateway-bsp-master
/bin/bash: line 14: bitbake: command not found
vesta-general minimal build FAILED
ERROR: Job failed: exit status 1