src/lib: Remove space between function name and (

Fix the following warning detected by checkpatch.pl:

WARNING: space prohibited between function name and open parenthesis '('

TEST=Build and run on Galileo Gen2

Change-Id: I8f3c79302dc5eb1861ffb245617a27addf8653ef
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18731
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/lib/thread.c

@@ -186,7 +186,7 @@ static void asmlinkage call_wrapper_block_state(void *arg)
 /* Prepare a thread so that it starts by executing thread_entry(thread_arg).
  * Within thread_entry() it will call func(arg). */
 static void prepare_thread(struct thread *t, void *func, void *arg,
-                           void asmlinkage (*thread_entry)(void *),
+                           asmlinkage void(*thread_entry)(void *),
                            void *thread_arg)
 {
 	/* Stash the function and argument to run. */