RFR: JDK-8065776 - UART right initial value for controller number

[alexey mironov]

issue: https://bugs.openjdk.java.net/browse/JDK-8065776 
<https://bugs.openjdk.java.net/browse/JDK-8065776>
webrev: http://cr.openjdk.java.net/~amironov/8065776/ 
<https://bugs.openjdk.java.net/browse/JDK-8065776>

Please review the changes made in order to add initial value for 
controller number.

Regards,
Alexey