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/scan.c b/fs/ubifs/scan.c
index 876a6ee..7a6e46d 100644
--- a/fs/ubifs/scan.c
+++ b/fs/ubifs/scan.c
@@ -17,6 +17,7 @@
 
 #ifdef __UBOOT__
 #include <hexdump.h>
+#include <log.h>
 #include <dm/devres.h>
 #include <linux/err.h>
 #endif