Blackfin arch: spelling fixes

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 9932ede..5ab87b0 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -557,7 +557,7 @@
 				break;
 #ifndef CONFIG_DEBUG_HWERR
 			/* If one of the last few instructions was a STI
-			 * it is likily that the error occured awhile ago
+			 * it is likely that the error occured awhile ago
 			 * and we just noticed
 			 */
 			if (x >= 0x0040 && x <= 0x0047 && i <= 0)