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/fs/ubifs/budget.c b/fs/ubifs/budget.c
index 9eb5d3f..514f15f 100644
--- a/fs/ubifs/budget.c
+++ b/fs/ubifs/budget.c
@@ -20,6 +20,7 @@
 
 #include "ubifs.h"
 #ifndef __UBOOT__
+#include <log.h>
 #include <linux/writeback.h>
 #else
 #include <linux/err.h>