arcmsr: add support new adapter ARC12x4 series

Add code to support the new Areca Raid ARC12x4 series adapters.

Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2 files changed