uti: Call into McKernel futex()

(1) Masquerade clv
(2) Fix timeout
(3) Let mcexec thread with the same tid as McKernel thread migrating
    to Linux handles the migration request
(4) Call create_tracer() before creating proxy related objects

Change-Id: I6b2689b70db49827f10aa7d5a4c581aa81319b55

kernel/include/futex.h

@@ -150,6 +150,7 @@ union futex_key {
 
 extern int futex_init(void);
 
+struct cpu_local_var;
 extern int
 futex(
 	uint32_t __user *		uaddr,
@@ -159,7 +160,8 @@ futex(
 	uint32_t __user *		uaddr2,
 	uint32_t				val2,
 	uint32_t				val3,
-	int                     fshared
+	int                     fshared,
+	struct cpu_local_var *clv_override
 );