driver core: location: Free struct acpi_pld_info *pld

After struct acpi_pld_info *pld is used to fill in physical location
values, it should be freed to prevent memleak.
Suggested-by: Yu Watanabe <watanabe.yu@gmail.com>
Signed-off-by: Won Chung <wonchung@google.com>
Link: https://lore.kernel.org/r/20220509173135.3515126-1-wonchung@google.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/base/physical_location.c

@@ -32,6 +32,7 @@ bool dev_add_physical_location(struct device *dev)
 	dev->physical_location->dock = pld->dock;
 	dev->physical_location->lid = pld->lid;
 
+	ACPI_FREE(pld);
 	return true;
 }