CA-94335: Dom0 must not change memory-dynamic-(min|max) anymore.

Since Dom0 is no more memory ballooned.

Signed-off-by: Jerome Maloberti <jerome.maloberti@citrix.com>
CA-94335: Dynamic-min and max have the same value as memory-target in Dom0.

Since Dom0 is no more ballooned.

Signed-off-by: Jerome Maloberti <jerome.maloberti@citrix.com>
CA-94335: Dom0 should be managed in xenopsd before the record is created.

Signed-off-by: Jerome Maloberti <jerome.maloberti@citrix.com>