I suggest the following:
If the original question (why mmc1 is not recognize) has been resolved, let's wrap up this discussion.
And please create a new discussion about 'AP with 3 SSIDs' if needed.
I would recommend to use the latest firmware available in Cypress Linux WiFi Driver Release (FMAC) [2020-04-02] which contains security fixes for known vulnerabilities till that date.
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