[IA64] Move sg_dma_{len,address} from pci.h to scatterlist.h

IA64 is in a tiny minority providing these defines in pci.h.
Almost everyone else has them in scatterlist.h

Signed-off-by: Tony Luck <[e-mail]>

include/asm-ia64/pci.h

···
 #define pci_dac_dma_sync_single_for_cpu(dev,dma_addr,len,dir)	do { } while (0)
 #define pci_dac_dma_sync_single_for_device(dev,dma_addr,len,dir)	do { mb(); } while (0)
 
-#define sg_dma_len(sg)		((sg)->dma_length)
-#define sg_dma_address(sg)	((sg)->dma_address)
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 					enum pci_dma_burst_strategy *strat,

include/asm-ia64/scatterlist.h

···
  */
 #define ISA_DMA_THRESHOLD	0xffffffff
 
+#define sg_dma_len(sg)		((sg)->dma_length)
+#define sg_dma_address(sg)	((sg)->dma_address)
+
 #endif /* _ASM_IA64_SCATTERLIST_H */