caf: power_manager: Imply Device Power Management

The CONFIG_PM_DEVICE is not required by CAF Power Manager. Imply the
option instead of selecting it. Change also removes including header
that is no longer needed.

Jira: NCSDK-32519

Signed-off-by: Marek Pieta <[email protected]>

Author: MarekPieta

subsys/caf/modules/Kconfig.power_manager

@@ -8,11 +8,11 @@ menu "Power manager"
 
 config CAF_POWER_MANAGER
 	bool "Enable power management"
-	select PM_DEVICE
 	select CAF_PM_EVENTS
 	select CAF_POWER_MANAGER_EVENTS
 	imply POWEROFF if !SOC_SERIES_NRF54HX
 	imply PM if SOC_SERIES_NRF54HX
+	imply PM_DEVICE
 	help
 	  Enable power management, which will put the device to low-power mode
 	  if it is idle.

subsys/caf/modules/power_manager.c

@@ -6,7 +6,6 @@
 #include <zephyr/kernel.h>
 #include <zephyr/types.h>
 
-#include <zephyr/device.h>
 #if CONFIG_CAF_POWER_MANAGER_CLEAR_RESET_REASON
 #include <hal/nrf_power.h>
 #include <helpers/nrfx_reset_reason.h>