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/test/dm/reset.c b/test/dm/reset.c
index 8370820..871d640 100644
--- a/test/dm/reset.c
+++ b/test/dm/reset.c
@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <log.h>
 #include <malloc.h>
 #include <reset.h>
 #include <dm/test.h>