[FS#582] bullet M image has XM.v6.0.0-OpenWrt-… as version

[LEDE Bugs]

The following task has a new comment added:

FS#582 - bullet M image has XM.v6.0.0-OpenWrt-… as version
User who did this - txt.file (txt.file)

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Patch available as https://patchwork.ozlabs.org/patch/735090/
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=582#comment2047