ACPI: osl: Remove the duplicated PREFIX for message printing

We have pr_fmt() in osl.c, so pr_err(PREFIX ...) is duplicated
and wrong, fix it by removing the PREFIX.

Also remove the using of PREFIX in WARN() and just add the plain
"ACPI: " in message to keep it unchanged.

Signed-off-by: Hanjun Guo <[e-mail]>
Signed-off-by: Rafael J. Wysocki <[e-mail]>

drivers/acpi/osl.c

···
 			return efi.acpi20;
 		if (efi.acpi != EFI_INVALID_TABLE_ADDR)
 			return efi.acpi;
-		pr_err(PREFIX "System description tables not found\n");
+		pr_err("System description tables not found\n");
 	} else if (IS_ENABLED(CONFIG_ACPI_LEGACY_TABLES_LOOKUP)) {
 		acpi_find_root_pointer(&pa);
 	}
···
 	map = acpi_map_lookup_virt(virt, size);
 	if (!map) {
 		mutex_unlock(&acpi_ioremap_lock);
-		WARN(true, PREFIX "%s: bad address %p\n", __func__, virt);
+		WARN(true, "ACPI: %s: bad address %p\n", __func__, virt);
 		return;
 	}
 	acpi_os_drop_map_ref(map);