i2c: powermac: convert of_node usage to fwnode

'of_node' in i2c_boardinfo is deprecated in favor of 'fwnode'. The I2C
core handles them equally, so simply convert this driver to fwnode.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Author: Wolfram Sang

drivers/i2c/busses/i2c-powermac.c

@@ -349,7 +349,7 @@ static void i2c_powermac_register_devices(struct i2c_adapter *adap,
 		/* Fill out the rest of the info structure */
 		info.addr = addr;
 		info.irq = irq_of_parse_and_map(node, 0);
-		info.of_node = of_node_get(node);
+		info.fwnode = of_fwnode_handle(of_node_get(node));
 
 		newdev = i2c_new_client_device(adap, &info);
 		if (IS_ERR(newdev)) {