Fix Sparse warning about invalid access past the end of 'mode'

Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

hw/omap2.c

@@ -3007,7 +3007,7 @@ static void omap_prcm_apll_update(struct omap_prcm_s *s)
     s->apll_lock[1] = (mode[1] == 3);
     /* TODO: update clocks */
 
-    if (mode[0] == 1 || mode[0] == 2 || mode[1] == 1 || mode[2] == 2)
+    if (mode[0] == 1 || mode[0] == 2 || mode[1] == 1 || mode[1] == 2)
         fprintf(stderr, "%s: bad EN_54M_PLL or bad EN_96M_PLL\n",
                         __FUNCTION__);
 }