Does sonic support new format of /etc/machine.conf which is from ONIE?

[fillmorechen0928]

ONIE page description about machine.conf:
https://opencomputeproject.github.io/onie/developers/multiple_cpu.html

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It cause sonic_installer fail to install sonic image.

root@sonic:/tmp# sonic_installer install ./sonic-broadcom.bin
New image will be installed, continue? [y/N]: y
Command: ././sonic-broadcom.bin
/tmp/tmp.ISY9gRmCsy/installer/install.sh: 8: .: Can't open /etc/machine-build.conf
Verifying image checksum ... OK.
Preparing image archive ... OK.
Installing SONiC in SONiC
ONIE Installer: platform: x86_64-broadcom-r0

root@sonic:/tmp#

[fillmorechen0928]

sonic-net/sonic-buildimage#1404