LoongArch: Don't use %pK through printk() in unwinder

In the past %pK was preferable to %p as it would not leak raw pointer
values into the kernel log.

Since commit ad67b74d2469 ("printk: hash addresses printed with %p")
the regular %p has been improved to avoid this issue.

Furthermore, restricted pointers ("%pK") were never meant to be used
through printk(). They can still unintentionally leak raw pointers or
acquire sleeping locks in atomic contexts.

Switch to the regular pointer formatting which is safer and easier to
reason about.

Cc: stable@vger.kernel.org
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>

arch/loongarch/kernel/unwind_orc.c

@@ -508,7 +508,7 @@ bool unwind_next_frame(struct unwind_state *state)
 
 	state->pc = bt_address(pc);
 	if (!state->pc) {
-		pr_err("cannot find unwind pc at %pK\n", (void *)pc);
+		pr_err("cannot find unwind pc at %p\n", (void *)pc);
 		goto err;
 	}