gpio: Add resource management devm_gpio_chip_{add_data,remove}

Add devm wrappers for the gpiochip_add_data() and gpiochip_remove().

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt
index 831a536..8d8f944 100644
--- a/Documentation/driver-model/devres.txt
+++ b/Documentation/driver-model/devres.txt
@@ -252,6 +252,8 @@
   devm_gpiod_get_index_optional()
   devm_gpiod_get_optional()
   devm_gpiod_put()
+  devm_gpiochip_add_data()
+  devm_gpiochip_remove()
 
 IIO
   devm_iio_device_alloc()