spelling fixes: arch/m68k/

Spelling fixes in arch/m68k/.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
index 0cea21f..5b2799e 100644
--- a/arch/m68k/mac/iop.c
+++ b/arch/m68k/mac/iop.c
@@ -100,7 +100,7 @@
  * finished; this function moves the message state to MSG_COMPLETE and signals
  * the IOP. This two-step process is provided to allow the handler to defer
  * message processing to a bottom-half handler if the processing will take
- * a signifigant amount of time (handlers are called at interrupt time so they
+ * a significant amount of time (handlers are called at interrupt time so they
  * should execute quickly.)
  */
 
@@ -120,7 +120,7 @@
 
 /*#define DEBUG_IOP*/
 
-/* Set to nonezero if the IOPs are present. Set by iop_init() */
+/* Set to non-zero if the IOPs are present. Set by iop_init() */
 
 int iop_scc_present,iop_ism_present;