common: Drop log.h from common header

Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>

cmd/sf.c

@@ -10,6 +10,7 @@
 #include <div64.h>
 #include <dm.h>
 #include <flash.h>
+#include <log.h>
 #include <malloc.h>
 #include <mapmem.h>
 #include <spi.h>