[FS#359] kirkwood: kernel does not recognize rootfs in ubi

[LEDE Bugs]

The following task has a new comment added:

FS#359 - kirkwood: kernel does not recognize rootfs in ubi
User who did this - diizzyy (diizzyy)

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nbd kindly committed fixes recently which might be of interest, this makes my iomega iconnect device boot and flash properly.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=359#comment1122