scsi: arcmsr: Fix ADAPTER_TYPE_B 64-bit DMA compatibility issue

Fix ADAPTER_TYPE_B 64-bit DMA compatibility issue on some motherboards.

Signed-off-by: ching Huang <ching2048@areca.com.tw>
Link: https://lore.kernel.org/r/81c1f98819dfdfa18ae4d3b854b7733af9d34ea5.camel@areca.com.tw


Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>