mvsas: Recognise device/subsystem 9485/9485 as 88SE9485

mvsas: Recognise device/subsystem 9485/9485 as 88SE9485

Matt Taggart reported that mvsas didn't bind to the Marvell
SAS controller on a Supermicro AOC-SAS2LP-MV8 board.

lspci reports it as:

01:00.0 RAID bus controller [0104]: Marvell Technology Group Ltd. Device [1b4b:9485] (rev 03)
        Subsystem: Marvell Technology Group Ltd. Device [1b4b:9485]
[...]

Add it to the device table as chip_9485.

Signed-off-by: Ben Hutchings <[email protected]>
Reported-by: Matt Taggart <[email protected]>
Tested-by: Matt Taggart <[email protected]>
Acked-By: Jan "Yenya" Kasprzak <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>