omap iommu: Rename iopte_[p,v]addr -> iopte_page_[p,v]addr

Follow Linux pagetable accessor name convention.
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>

arch/arm/plat-omap/iopgtable.h

@@ -72,12 +72,12 @@
 #define iopgd_index(da)		(((da) >> IOPGD_SHIFT) & (PTRS_PER_IOPGD - 1))
 #define iopgd_offset(obj, da)	((obj)->iopgd + iopgd_index(da))
 
-#define iopte_paddr(iopgd)	(*iopgd & ~((1 << 10) - 1))
-#define iopte_vaddr(iopgd)	((u32 *)phys_to_virt(iopte_paddr(iopgd)))
+#define iopgd_page_paddr(iopgd)	(*iopgd & ~((1 << 10) - 1))
+#define iopgd_page_vaddr(iopgd)	((u32 *)phys_to_virt(iopgd_page_paddr(iopgd)))
 
 /* to find an entry in the second-level page table. */
 #define iopte_index(da)		(((da) >> IOPTE_SHIFT) & (PTRS_PER_IOPTE - 1))
-#define iopte_offset(iopgd, da)	(iopte_vaddr(iopgd) + iopte_index(da))
+#define iopte_offset(iopgd, da)	(iopgd_page_vaddr(iopgd) + iopte_index(da))
 
 static inline u32 iotlb_init_entry(struct iotlb_entry *e, u32 da, u32 pa,
 				   u32 flags)