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/lib/lmb.c b/lib/lmb.c
index 2f0e495..008bcc7 100644
--- a/lib/lmb.c
+++ b/lib/lmb.c
@@ -9,6 +9,7 @@
 #include <common.h>
 #include <image.h>
 #include <lmb.h>
+#include <log.h>
 #include <malloc.h>
 
 #define LMB_ALLOC_ANYWHERE	0