common: Drop log.h from common header

Move this header out of the common header.

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

common/bouncebuf.c

@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <cpu_func.h>
+#include <log.h>
 #include <malloc.h>
 #include <errno.h>
 #include <bouncebuf.h>