[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/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 70b8bdb..aba813c 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -438,7 +438,7 @@
  * @peidx:	pointer of index of processor error section
  *
  * Return value:
- *	target address on Success / 0 on Failue
+ *	target address on Success / 0 on Failure
  */
 static u64
 get_target_identifier(peidx_table_t *peidx)
@@ -701,7 +701,7 @@
 		return fatal_mca("External bus check fatal status");
 
 	/*
-	 * This is a local MCA and estimated as a recoverble error.
+	 * This is a local MCA and estimated as a recoverable error.
 	 */
 	if (platform)
 		return recover_from_platform_error(slidx, peidx, pbci, sos);