[IA64] spelling fixes: arch/ia64/

Spelling and apostrophe fixes in arch/ia64/.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 8a2cb4e..b9bedbd 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -223,7 +223,7 @@
 
 	/*
 	 * Scan all vga controllers on this bus making sure they all
-	 * suport FW.  If not, return.
+	 * support FW.  If not, return.
 	 */
 
 	list_for_each_entry(pdev, tioca_kern->ca_devices, bus_list) {
@@ -364,7 +364,7 @@
  * @req_size: len (bytes) to map
  *
  * Map @paddr into CA address space using the GART mechanism.  The mapped
- * dma_addr_t is guarenteed to be contiguous in CA bus space.
+ * dma_addr_t is guaranteed to be contiguous in CA bus space.
  */
 static dma_addr_t
 tioca_dma_mapped(struct pci_dev *pdev, u64 paddr, size_t req_size)
@@ -526,7 +526,7 @@
 		return 0;
 
 	/*
-	 * If card is 64 or 48 bit addresable, use a direct mapping.  32
+	 * If card is 64 or 48 bit addressable, use a direct mapping.  32
 	 * bit direct is so restrictive w.r.t. where the memory resides that
 	 * we don't use it even though CA has some support.
 	 */