[FS#307] ZBT-WG3526 - mt7621 - SD card (MMC) support - [solved] but not already added to TRUNK ??

[LEDE Bugs]

The following task has a new comment added:

FS#307 - ZBT-WG3526 - mt7621 - SD card (MMC) support - [solved] but not already added to TRUNK ??
User who did this - camel (camel)

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pls reopen, as it is not working with your patch.
pls can you compare what you missed from the working patch which i mentioned ?
is there a difference which would be important not to miss ?
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=307#comment1028