Update CPU parking addresses for MP systems.

Signed-off-by: Al Stone <ahs3@redhat.com>
Merge in 1.12 changes for SecEntryPoint.S; addresses and GIC bypass code

Signed-off-by: Al Stone <ahs3@redhat.com>
Merge in 1.12 changes to additions that allow us to get an FDT in

Signed-off-by: Al Stone <ahs3@redhat.com>
Merge in Foundation model changes in the .dsc with 1.12

Signed-off-by: Al Stone <ahs3@redhat.com>