src/arch: Add required space before opening parenthesis '('

Change-Id: I8a44a58506d7cf5ebc9fe7ac4f2b46f9544ba61a
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/16287
Tested-by: build bot (Jenkins)
Reviewed-by: Omar Pakker
Reviewed-by: Martin Roth <martinroth@google.com>

src/arch/arm/armv7/thread.c

@@ -55,7 +55,7 @@ void arch_prepare_thread(struct thread *t,
 	 * hunting for (e.g.) misaligned stacks or other such
 	 * weirdness. The -1 is because we already pushed lr.
 	 */
-	for(i = 0; i < sizeof(struct pushed_regs)/sizeof(u32)-1; i++)
+	for (i = 0; i < sizeof(struct pushed_regs)/sizeof(u32)-1; i++)
 		stack = push_stack(stack, poison++);
 
 	t->stack_current = stack;