[SCSI] megaraid: outb_p extermination

From conversations with the maintainers the _p isn't needed so kill it.
That removes the last non ISA _p user from the SCSI layer to my knowledge.
Signed-off-by: NAlan Cox <alan@redhat.com>
Acked-by: N"Yang, Bo" <Bo.Yang@lsi.com>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/megaraid.c

@@ -151,19 +151,19 @@ mega_setup_mailbox(adapter_t *adapter)
 	 */
 	if( adapter->flag & BOARD_IOMAP ) {
 
-		outb_p(adapter->mbox_dma & 0xFF,
+		outb(adapter->mbox_dma & 0xFF,
 				adapter->host->io_port + MBOX_PORT0);
 
-		outb_p((adapter->mbox_dma >> 8) & 0xFF,
+		outb((adapter->mbox_dma >> 8) & 0xFF,
 				adapter->host->io_port + MBOX_PORT1);
 
-		outb_p((adapter->mbox_dma >> 16) & 0xFF,
+		outb((adapter->mbox_dma >> 16) & 0xFF,
 				adapter->host->io_port + MBOX_PORT2);
 
-		outb_p((adapter->mbox_dma >> 24) & 0xFF,
+		outb((adapter->mbox_dma >> 24) & 0xFF,
 				adapter->host->io_port + MBOX_PORT3);
 
-		outb_p(ENABLE_MBOX_BYTE,
+		outb(ENABLE_MBOX_BYTE,
 				adapter->host->io_port + ENABLE_MBOX_REGION);
 
 		irq_ack(adapter);