ARM: pxa: fix static checker warning in pxa3xx-ulpi

Static checker reports the following warning:

arch/arm/mach-pxa/pxa3xx-ulpi.c:336 pxa3xx_u2d_probe()
warn: did you mean to pass the address of 'u2d'

Fix it by passing the correct pointer.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>

arch/arm/mach-pxa/pxa3xx-ulpi.c

@@ -331,7 +331,7 @@ static int pxa3xx_u2d_probe(struct platform_device *pdev)
 			goto err_free_plat;
 	}
 
-	platform_set_drvdata(pdev, &u2d);
+	platform_set_drvdata(pdev, u2d);
 
 	return 0;