microblaze: trivial: Fix typo fault in timer.c

Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c
index 3cb0bf6..78b82f3 100644
--- a/arch/microblaze/kernel/timer.c
+++ b/arch/microblaze/kernel/timer.c
@@ -79,7 +79,7 @@
 	 * !PWMA - disable pwm
 	 * TINT - clear interrupt status
 	 * ENT- enable timer itself
-	 * EINT - enable interrupt
+	 * ENIT - enable interrupt
 	 * !LOAD - clear the bit to let go
 	 * ARHT - auto reload
 	 * !CAPT - no external trigger