[BUG] drivers/scsi/advansys: three possible sleep-in-atomic bugs in advansys_interrupt

[Jia-Ju Bai]

According to drivers/scsi/advansys.c, the kernel module may sleep in the 
interrupt handler.
The function call paths are:
advansys_interrupt (interrupt handler)
  AdvISR
    adv_async_callback
      AdvResetChipAndSB
        AdvInitAsc38C1600Driver
          request_firmware --> may sleep
        AdvInitAsc38C0800Driver
          request_firmware --> may sleep
        AdvInitAsc3550Driver
          request_firmware --> may sleep

I do not find a good way to fix them, so I only report.
These possible bugs are found by my static analysis tool (DSAC) and 
checked by my code review.


Thanks,
Jia-Ju Bai