panic: use angle-bracket include for panic.h

Replace quoted includes of panic.h with `#include <linux/panic.h>` for
consistency across the kernel.

Link: https://lkml.kernel.org/r/20250829051312.33773-1-wangjinchao600@gmail.com
Signed-off-by: Jinchao Wang <wangjinchao600@gmail.com>
Reviewed-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Cc: Qianqiang Liu <qianqiang.liu@163.com>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Author: wangjinchao

kernel/crash_core.c

@@ -4,7 +4,6 @@
  * Copyright (C) 2002-2004 Eric Biederman  <ebiederm@xmission.com>
  */
 
-#include "linux/panic.h"
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/buildid.h>
@@ -23,6 +22,7 @@
 #include <linux/btf.h>
 #include <linux/objtool.h>
 #include <linux/delay.h>
+#include <linux/panic.h>
 
 #include <asm/page.h>
 #include <asm/sections.h>

kernel/printk/nbcon.c

@@ -2,7 +2,6 @@
 // Copyright (C) 2022 Linutronix GmbH, John Ogness
 // Copyright (C) 2022 Intel, Thomas Gleixner
 
-#include "linux/panic.h"
 #include <linux/atomic.h>
 #include <linux/bug.h>
 #include <linux/console.h>
@@ -13,6 +12,7 @@
 #include <linux/irqflags.h>
 #include <linux/kthread.h>
 #include <linux/minmax.h>
+#include <linux/panic.h>
 #include <linux/percpu.h>
 #include <linux/preempt.h>
 #include <linux/slab.h>

kernel/printk/printk.c

@@ -17,7 +17,6 @@
  *	01Mar01 Andrew Morton
  */
 
-#include "linux/panic.h"
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/kernel.h>
@@ -49,6 +48,7 @@
 #include <linux/sched/clock.h>
 #include <linux/sched/debug.h>
 #include <linux/sched/task_stack.h>
+#include <linux/panic.h>
 
 #include <linux/uaccess.h>
 #include <asm/sections.h>