scsi: make aha152x depend on !HIGHMEM

This is one of the last drivers depending on the block layer bounce
buffering code. Restrict it to run on non-highmem configs so that the
bounce buffering code can be removed.

Signed-off-by: Christoph Hellwig <[e-mail]>
Reviewed-by: Hannes Reinecke <[e-mail]>
Reviewed-by: John Garry <[e-mail]>
Reviewed-by: Johannes Thumshirn <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jens Axboe <[e-mail]>

drivers/scsi/Kconfig

···
 config SCSI_AHA152X
 	tristate "Adaptec AHA152X/2825 support"
 	depends on ISA && SCSI
+	depends on !HIGHMEM
 	select SCSI_SPI_ATTRS
 	select CHECK_SIGNATURE
 	help

drivers/scsi/aha152x.c

···
 	/* need to have host registered before triggering any interrupt */
 	list_add_tail(&HOSTDATA(shpnt)->host_list, &aha152x_host_list);
 
-	shpnt->no_highmem = true;
 	shpnt->io_port   = setup->io_port;
 	shpnt->n_io_port = IO_RANGE;
 	shpnt->irq       = setup->irq;