regulators: Modify Configuration to use Journal

Modify Configuration::execute() to log messages using
the new Journal interface.

Signed-off-by: Bob King <Bob_King@wistron.com>
Change-Id: If7dee12ca064147386fc076223474f004281d7ec
diff --git a/phosphor-regulators/src/chassis.cpp b/phosphor-regulators/src/chassis.cpp
index ebe446c..4a016e6 100644
--- a/phosphor-regulators/src/chassis.cpp
+++ b/phosphor-regulators/src/chassis.cpp
@@ -46,7 +46,8 @@
 void Chassis::configure(Services& services, System& system)
 {
     // Log info message in journal; important for verifying success of boot
-    journal::logInfo("Configuring chassis " + std::to_string(number));
+    services.getJournal().logInfo("Configuring chassis " +
+                                  std::to_string(number));
 
     // Configure devices
     for (std::unique_ptr<Device>& device : devices)