common: Drop log.h from common header

Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/sound/rt5677.c b/drivers/sound/rt5677.c
index 6477605..16aa9df 100644
--- a/drivers/sound/rt5677.c
+++ b/drivers/sound/rt5677.c
@@ -10,6 +10,7 @@
 #include <dm.h>
 #include <i2c.h>
 #include "rt5677.h"
+#include <log.h>
 
 struct rt5677_priv {
 	struct udevice *dev;