move common util fcts to /common to avoid common files (e.g. crc) to depend on non-common files

client/fido/cose.c

@@ -13,7 +13,6 @@
 #include "cose.h"
 #include <cbor.h>
 #include "cbortools.h"
-#include "util.h"
 
 static const char COSEEmptyStr[] = "";
 

client/fido/cose.h

@@ -16,6 +16,8 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <cbor.h>
+#include "commonutil.h"
+#include "util.h"
 
 const char *GetCOSEAlgName(int id);
 const char *GetCOSEAlgDescription(int id);