[FS#547] SATA Port Multiplier support for mvebu devices

[LEDE Bugs]

The following task is now closed:

FS#547 - SATA Port Multiplier support for mvebu devices
User who did this - Mathias Kresin (mkresin)

Reason for closing: Invalid report
Additional comments about closing: 1. this is a feature request and not a bug report
2. there isn't a single line of explanation why CONFIG_SATA_PMP might be required
3. it would be more helpful if you are sending a patch instead

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=547