ArmPkg: Fix various typos

Fix various typos in ArmPkg.

Signed-off-by: Coeur <coeur@gmx.fr>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

ArmPkg/Drivers/CpuDxe/Exception.c

@@ -27,7 +27,7 @@ InitializeExceptions (
     VectorInfo = VectorInfoList;
   }
 
-  // intialize the CpuExceptionHandlerLib so we take over the exception vector table from the DXE Core
+  // initialize the CpuExceptionHandlerLib so we take over the exception vector table from the DXE Core
   InitializeCpuExceptionHandlers(VectorInfo);
 
   Status = EFI_SUCCESS;