mlxsw: core: Rename cooling device

Rename cooling device from "Fan" to "mlxsw_fan".  Name "Fan" is too
common name, and such name is misleading, while it's interpreted by
user. For example name "Fan" could be used by ACPI.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/core_thermal.c

@@ -431,8 +431,9 @@ int mlxsw_thermal_init(struct mlxsw_core *core,
 		if (pwm_active & BIT(i)) {
 			struct thermal_cooling_device *cdev;
 
-			cdev = thermal_cooling_device_register("Fan", thermal,
-							&mlxsw_cooling_ops);
+			cdev = thermal_cooling_device_register("mlxsw_fan",
+							       thermal,
+							       &mlxsw_cooling_ops);
 			if (IS_ERR(cdev)) {
 				err = PTR_ERR(cdev);
 				dev_err(dev, "Failed to register cooling device\n");