KVM: arm: replace WARN_ON with pr_warn for UNKNOWN type

euleros inclusion
category: bugfix
bugzilla: 46842
CVE: NA

-------------------------------------------------

In addition to the Kunpeng processor, other CPU processors
may be supported. The call trace here may cause confusion.
Signed-off-by: NZengruan Ye <yezengruan@huawei.com>
Signed-off-by: NXiangyou Xie <xiexiangyou@huawei.com>
Reviewed-by: NYing Fang <fangying1@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

virt/kvm/arm/hisi_cpu_model.c

@@ -78,7 +78,8 @@ void probe_hisi_cpu_type(void)
 	else
 		of_get_hw_cpu_type();
 
-	WARN_ON(hi_cpu_type == UNKNOWN_HI_TYPE);
+	if (hi_cpu_type == UNKNOWN_HI_TYPE)
+		pr_warn("UNKNOWN Hisi cpu type.\n");
 }
 
 #define NCSNP_MMIO_BASE	0x20107E238