NACK/cnmt: [PATCH 0/3][SRU][OEM-B] SATA device is not going to DEVSLP

[AceLan Kao]

The third commit has v2 patch and may have v3 soon.
I'll submit the the first 2 commits soon, and submit another SRU for the
third commit later.
Acked-By: AceLan Kao <acelan.kao at canonical.com>