MFD: ucb1x00-core: add owner and dev initializers to gpio structure

Register the gpio device with proper .owner and .dev elements set
appropraitely.
Acked-by: NJochen Friedrich <jochen@scram.de>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

drivers/mfd/ucb1x00-core.c

@@ -579,6 +579,8 @@ static int ucb1x00_probe(struct mcp *mcp)
 	ucb->gpio.base = -1;
 	if (pdata && pdata->gpio_base) {
 		ucb->gpio.label = dev_name(&ucb->dev);
+		ucb->gpio.dev = &ucb->dev;
+		ucb->gpio.owner = THIS_MODULE;
 		ucb->gpio.base = pdata->gpio_base;
 		ucb->gpio.ngpio = 10;
 		ucb->gpio.set = ucb1x00_gpio_set;