[Blackfin] arch: Spelling fixes

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

arch/blackfin/kernel/early_printk.c

@@ -187,7 +187,7 @@ asmlinkage void __init init_early_exception_vectors(void)
 	bfin_write_EVT15(early_trap);
 	CSYNC();
 
-	/* Set all the return from interupt, exception, NMI to a known place
+	/* Set all the return from interrupt, exception, NMI to a known place
 	 * so if we do a RETI, RETX or RETN by mistake - we go somewhere known
 	 * Note - don't change RETS - we are in a subroutine, or
 	 * RETE - since it might screw up if emulator is attached

arch/blackfin/mach-bf548/ints-priority.c

@@ -4,7 +4,7 @@
  * Author:       Michael Hennerich
  *
  * Created:
- * Description:  Set up the interupt priorities
+ * Description:  Set up the interrupt priorities
  *
  * Modified:
  *               Copyright 2004-2006 Analog Devices Inc.