ext qmsi: Add config support and kernel events for enabling SoCWatch

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>