[ARM] spelling fixes

Spelling fixes in arch/arm/.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-iop13xx/pci.c b/arch/arm/mach-iop13xx/pci.c
index 69e8953..306f82e 100644
--- a/arch/arm/mach-iop13xx/pci.c
+++ b/arch/arm/mach-iop13xx/pci.c
@@ -989,7 +989,7 @@
 			"imprecise external abort");
 }
 
-/* intialize the pci memory space.  handle any combination of
+/* initialize the pci memory space.  handle any combination of
  * atue and atux enabled/disabled
  */
 int iop13xx_pci_setup(int nr, struct pci_sys_data *sys)