tests: power_states app updated to support SoCWatch collection
Add CONFIG_SOC_WATCH option for enabling the SoCWatch
QMSI driver and associated instrumentation hooks.
Bug fix for soc_watch.c to use local irq_lock/unlock
This will be put into QMSI as well.
JIRA: ZEP-1121
Change-Id: I0514324e81ca02c1d01ffc2d6cf4d31aee491544
Signed-off-by: Jon Moeller <jon.moeller@intel.com>