Merge changes from topic "mp/sec_intr_management"
* changes:
test: add test to exercise secure interrupt handling while ..
test: add test to exercise secure interrupt handling while SP is blocked
test: add test to exercise secure interrupt handling while SP is waiting
test: add test to exercise secure interrupt handling while SP is running
feat: add support for secure interrupt handling and completion
feat: add spm_deactivate_interrupt helper function
feat: add a test command to send request to a VM/SP ..
feat: add a test command to request a Cactus SP to start wdog timer
feat: add helper functions for SP sleep
feat: add support for SP805 Trusted watchdog module helper APIs
refactor: changes to support both instances of SP805