platform_data/mlxreg: Document fixes for core platform data

Remove "led" from the description, since the structure
"mlxreg_core_platform_data" is used not only for led data.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>

include/linux/platform_data/mlxreg.h

@@ -107,9 +107,9 @@ struct mlxreg_core_item {
 /**
  * struct mlxreg_core_platform_data - platform data:
  *
- * @led_data: led private data;
+ * @data: instance private data;
  * @regmap: register map of parent device;
- * @counter: number of led instances;
+ * @counter: number of instances;
  */
 struct mlxreg_core_platform_data {
 	struct mlxreg_core_data *data;