test: Remove <common.h> and add needed includes

Remove <common.h> from all "test/" files and when needed add
missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/test/dm/regmap.c b/test/dm/regmap.c
index 8560f2a..1398f8f 100644
--- a/test/dm/regmap.c
+++ b/test/dm/regmap.c
@@ -3,13 +3,13 @@
  * Copyright (C) 2015 Google, Inc
  */
 
-#include <common.h>
 #include <dm.h>
 #include <log.h>
 #include <mapmem.h>
 #include <regmap.h>
 #include <syscon.h>
 #include <rand.h>
+#include <time.h>
 #include <asm/test.h>
 #include <dm/test.h>
 #include <dm/devres.h>