ASoC: wm0010: Tweak diagnostic output

Make it scan better by writing ROM with capitals.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm0010.c b/sound/soc/codecs/wm0010.c
index 6c4a2fa..30ec0bd 100644
--- a/sound/soc/codecs/wm0010.c
+++ b/sound/soc/codecs/wm0010.c
@@ -137,7 +137,7 @@
 	const char *state_to_str[] = {
 		"Power off",
 		"Out of reset",
-		"Bootrom",
+		"Boot ROM",
 		"Stage2",
 		"Firmware"
 	};