sparc: Move SBUS DMA attribute interfaces out of asm/sbus.h

This is in preparation for the subsequent asm/sbus.h removal.

Also, make these routines take a "struct device" or no
arguments, as appropriate.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 1559d45..e16c56c 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -158,7 +158,7 @@
 	 * is a nop and the chip ends up using the smallest burst
 	 * size. -DaveM
 	 */
-	if (sbus_can_burst64(qpti->sdev) && (bursts & DMA_BURST64)) {
+	if (sbus_can_burst64() && (bursts & DMA_BURST64)) {
 		val = (SBUS_CFG1_BENAB | SBUS_CFG1_B64);
 	} else
 #endif