Add basic function for phosphor-nvme.

Add basic function to monitor temperature of
NVMe drive for phosphor-nvme.

Change-Id: Iebe3c8bf4b5cb958defab5b24a88f4bce477ad5e
Signed-off-by: Tony Lee <tony.lee@quantatw.com>
diff --git a/nvme_main.cpp b/nvme_main.cpp
index 956e374..8552593 100644
--- a/nvme_main.cpp
+++ b/nvme_main.cpp
@@ -1,8 +1,14 @@
 #include "nvme_manager.hpp"
 
+#include <string.h>
+
+#include <fstream>
+#include <phosphor-logging/elog-errors.hpp>
+#include <phosphor-logging/log.hpp>
 #include <sdbusplus/bus.hpp>
 #include <sdbusplus/sdbus.hpp>
 #include <sdbusplus/server/manager.hpp>
+using namespace phosphor::logging;
 
 int main(void)
 {