Update the date for last example.

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git-svn-id: svn+ssh://svn.freebsd.org/base/head@270831 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Add a few defines and packet types for SATA 3.2 and FPDMA (First Party
DMA).

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git-svn-id: svn+ssh://svn.freebsd.org/base/head@270832 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
We were returning 20 bytes as the FIS size to send, but only
initializing 16. Initialize all 20 so we don't send garbage in the
Auxiliary register. The SATA standard mandates a 5 dword length for
the Host to Device FIS.

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git-svn-id: svn+ssh://svn.freebsd.org/base/head@270833 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f