[FS#1284] uboot-kirkwood does not speak MMC on Pogoplug v4

[LEDE Bugs]

The following task has a new comment added:

FS#1284 - uboot-kirkwood does not speak MMC on Pogoplug v4
User who did this - Nathaniel Wesley Filardo (nwf)

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Pardon me, I seem to have meant the uboot from https://forum.doozan.com/read.php?3,12381 .  The other link's also understands MMC, but this second link is much more up-to-date.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1284#comment4142