clang-tidy:  correct include directives

Replaced angled brackets with quotes in include directives
for local headers in watchdog folder to resolve clang-tidy errors

Sample error:
'''
openpower-debug-collector/watchdog/watchdog_logging.cpp:4:10: error: 'watchdog_common.hpp'
     file not found with <angled> include; use "quotes" instead [clang-diagnostic-error]
    4 | #include <watchdog_common.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~
      |          "watchdog_common.hpp"
'''

Change-Id: I99810f37d74db2fda9b59310b0ffe6a8456e4239
Signed-off-by: Jayanth Othayoth <ojayanth@gmail.com>
diff --git a/watchdog/watchdog_logging.cpp b/watchdog/watchdog_logging.cpp
index 50aa0aa..d04c95f 100644
--- a/watchdog/watchdog_logging.cpp
+++ b/watchdog/watchdog_logging.cpp
@@ -1,10 +1,12 @@
+#include "watchdog_logging.hpp"
+
+#include "watchdog_common.hpp"
+#include "watchdog_dbus.hpp"
+#include "watchdog_handler.hpp"
+
 #include <unistd.h>
 
 #include <phosphor-logging/log.hpp>
-#include <watchdog_common.hpp>
-#include <watchdog_dbus.hpp>
-#include <watchdog_handler.hpp>
-#include <watchdog_logging.hpp>
 
 namespace watchdog
 {