ASoC: wm_adsp: Fixup some minor formatting and checkpatch errors

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h
index 93764139..d2a8c78 100644
--- a/sound/soc/codecs/wm_adsp.h
+++ b/sound/soc/codecs/wm_adsp.h
@@ -45,8 +45,8 @@
 
 	struct list_head alg_regions;
 
-	int fw_id;
-	int fw_id_version;
+	unsigned int fw_id;
+	unsigned int fw_id_version;
 
 	const struct wm_adsp_region *mem;
 	int num_mems;