sched, x86: Update the comment for TIF_NEED_RESCHED_LAZY.

Add the "Lazy" part to the comment for TIF_NEED_RESCHED_LAZY so it is
not the same as TIF_NEED_RESCHED.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20241106162449.sk6rDddk@linutronix.de

Author: Sebastian Andrzej Siewior

arch/x86/include/asm/thread_info.h

@@ -87,7 +87,7 @@ struct thread_info {
 #define TIF_NOTIFY_RESUME	1	/* callback before returning to user */
 #define TIF_SIGPENDING		2	/* signal pending */
 #define TIF_NEED_RESCHED	3	/* rescheduling necessary */
-#define TIF_NEED_RESCHED_LAZY	4	/* rescheduling necessary */
+#define TIF_NEED_RESCHED_LAZY	4	/* Lazy rescheduling needed */
 #define TIF_SINGLESTEP		5	/* reenable singlestep on user return*/
 #define TIF_SSBD		6	/* Speculative store bypass disable */
 #define TIF_SPEC_IB		9	/* Indirect branch speculation mitigation */