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/reset/sandbox-reset-test.c b/drivers/reset/sandbox-reset-test.c
index ae79be0..9bc4a7e 100644
--- a/drivers/reset/sandbox-reset-test.c
+++ b/drivers/reset/sandbox-reset-test.c
@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <log.h>
 #include <malloc.h>
 #include <reset.h>
 #include <asm/io.h>