Core: Separate SPM_DB for library model and IPC model

- Separate the template for SPM_DB into two files, one for the library
  model and another for the IPC model.
- Update the generated files and related sources.

Change-Id: If221fc5956c7caeaa20ec21810f75773654d0d3a
Signed-off-by: Shawn Shan <shawn.shan@arm.com>
6 files changed