Remove linux/pci.h dependency in SCSI 53c700

The consolidation of the SCSI data direction flags eliminate the
need for it.

drivers/scsi/53c700.c

@@ -133,7 +133,6 @@
 #include <asm/byteorder.h>
 #include <linux/blk.h>
 #include <linux/module.h>
-#include <linux/pci.h>
 #include <linux/interrupt.h>
 
 #include "scsi.h"
@@ -564,8 +563,7 @@ NCR_700_unmap(struct NCR_700_Host_Parameters *hostdata, Scsi_Cmnd *SCp,
 {
 	if(SCp->sc_data_direction != SCSI_DATA_NONE &&
 	   SCp->sc_data_direction != SCSI_DATA_UNKNOWN) {
-		enum dma_data_direction direction = 
-			(enum dma_data_direction)scsi_to_pci_dma_dir(SCp->sc_data_direction);
+		enum dma_data_direction direction = SCp->sc_data_direction;
 		if(SCp->use_sg) {
 			dma_unmap_sg(hostdata->dev, SCp->buffer,
 				     SCp->use_sg, direction);
@@ -1842,7 +1840,7 @@ NCR_700_queuecommand(Scsi_Cmnd *SCp, void (*done)(Scsi_Cmnd *))
 	}
 
 	/* now build the scatter gather list */
-	direction = (enum dma_data_direction)scsi_to_pci_dma_dir(SCp->sc_data_direction);
+	direction = SCp->sc_data_direction;
 	if(move_ins != 0) {
 		int i;
 		int sg_count;