ASoC: wm_adsp: Provide explicit trace of coefficient writes

Helpful for debugging.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 76ca176..bc5e383 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -793,6 +793,9 @@
 				return -ENOMEM;
 			}
 
+			adsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n",
+				 file, blocks, le32_to_cpu(blk->len),
+				 reg);
 			ret = regmap_raw_write(regmap, reg, blk->data,
 					       le32_to_cpu(blk->len));
 			if (ret != 0) {