Fix build

Some components needed to be updated to cpp17 to support
std::variant and some components had incorrect dbus
interfaces for what is currently available. Fix it so it
builds.

Also re-clangformat some files

Tested-by: build passed

Change-Id: I4d43dc47a5facfc096dd6ccf64d098d796f11016
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/power-control/src/power_control.cpp b/power-control/src/power_control.cpp
index 9d15a06..3014370 100644
--- a/power-control/src/power_control.cpp
+++ b/power-control/src/power_control.cpp
@@ -15,11 +15,9 @@
 */
 #include "power_control.hpp"
 
-int32_t PowerControl::forcePowerOff()
+bool PowerControl::forcePowerOff()
 {
-    int ret = 0;
-
-    return ret;
+    return true;
 }
 
 int32_t PowerControl::setPowerState(int32_t newState)