PNP / ACPI: avoid garbage in resource name

Set temporary variable as 0 to avoid garbage string output from
/proc/iomem after register resources and reset to PNP dev name
later.

Signed-off-by: Liu ShuoX <shuox.liu@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index 3e6db1c..d95e101 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -515,6 +515,7 @@
 	}
 
 	pnp_res->res = *res;
+	pnp_res->res.name = dev->name;
 	dev_dbg(&dev->dev, "%pR\n", res);
 	return pnp_res;
 }