rtc_qmsi: Add get_pending_int API

For AON peripherals on Quark SE C1000, an API is needed
to retrieve the interrupt status after wake up.
This enables the application to know the wake source before
enabling again the interrupts.
Add this API to the rtc as this is a wake event
on Quark SE C1000.

Jira: ZEP-1188

Change-Id: Id850ce405eb3f4857be720201e462ea8e24a334f
Signed-off-by: Julien Delayen <julien.delayen@intel.com>
2 files changed