msm: lpm_levels: Device tree property for detectability of IRQs

At certain system low power modes, GIC and GPIO interrupt controllers
are not functional. Add a device tree propery to indicate availability
of interrupt controllers for the different low power modes. The low
power driver uses this property to disallow any mode based on enabled
interrupts.

Change-Id: Ie1647dc35b0ce5e531bc4cd77d227507b7087b33
Signed-off-by: Mahesh Sivasubramanian <msivasub@codeaurora.org>
5 files changed