- Remove SYS_ prefix
- shorten POWER_MANAGEMENT to just PM
- DEVICE_POWER_MANAGEMENT -> PM_DEVICE
and use PM_ as the prefix for all PM related Kconfigs
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Adding an example that exercises the sleep modes, then powers off the
system by going into deep sleep.
Signed-off-by: Vincent Wan <vincent.wan@linaro.org>