s390: Use pr_info for "KernelAddressSanitizer initialized" message

sclp_early_printk() ignores boot console debug settings and prints
unconditionally. It also prints message without any timestamp
or formatting. Convert it to pr_info().

Signed-off-by: Vasily Gorbik <[e-mail]>
Acked-by: Heiko Carstens <[e-mail]>
Signed-off-by: Alexander Gordeev <[e-mail]>

arch/s390/kernel/early.c

···
 {
 #ifdef CONFIG_KASAN
 	init_task.kasan_depth = 0;
-	sclp_early_printk("KernelAddressSanitizer initialized\n");
+	pr_info("KernelAddressSanitizer initialized\n");
 #endif
 }