RFR: JDK-8143236: Update devkit creation makefiles for linux

[Erik Joelsson]

The makefiles used to create the linux devkit have not been updated to 
what was actually used to create the current devkit. This patch contains 
those changes.

Bug: https://bugs.openjdk.java.net/browse/JDK-8143236
Webrev: http://cr.openjdk.java.net/~erikj/8143236/webrev.01/
/Erik