cpu models: reorder flag list to match bit order

cpu models: reorder flag list to match bit order

This will make it easier to review and change the flag list in the future.

No behaviour change should be introduced by this, as it is just changing
the flag order on the config file.

To make sure the flag sets are really not changed by this patch, I have
used the following stupid script to compare the flag values in the
config files:
https://gist.github.com/1004885

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>