ASoC: davinci-mcasp: off-by-one in davinci_mcasp_hw_rule_format()

The SNDRV_PCM_FORMAT_LAST is valid, we should not skip it.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 05c2d33..3c5a980 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -1218,7 +1218,7 @@
 
 	snd_mask_none(&nfmt);
 
-	for (i = 0; i < SNDRV_PCM_FORMAT_LAST; i++) {
+	for (i = 0; i <= SNDRV_PCM_FORMAT_LAST; i++) {
 		if (snd_mask_test(fmt, i)) {
 			uint sbits = snd_pcm_format_width(i);
 			int ppm;