PEL: Print action flags into JSON aligned

"User Header": {
    "Section Version":          "1",
    "Sub-section type":         "0",
    "Log Committed by":         "0x4552",
    "Subsystem":                "System Hypervisor Firmware",
    "Event Scope":              "Entire Platform",
    "Event Severity":           "Informational Event",
    "Event Type":               "Miscellaneous, Informational Only",
    "Action Flags": [
                                "Report Externally"
    ]
}

Testing: Manually run peltool and verified output
Signed-off-by: Harisuddin Mohamed Isa <harisuddin@gmail.com>
Change-Id: Ie8376953b5f1baa093fc0aa9564d50cd4208564e
diff --git a/test/openpower-pels/Makefile.include b/test/openpower-pels/Makefile.include
index dfa4156..d85f215 100644
--- a/test/openpower-pels/Makefile.include
+++ b/test/openpower-pels/Makefile.include
@@ -38,7 +38,7 @@
 	$(top_builddir)/extensions/openpower-pels/failing_mtms.o \
 	$(top_builddir)/extensions/openpower-pels/fru_identity.o \
 	$(top_builddir)/extensions/openpower-pels/generic.o \
-	$(top_builddir)/extensions/openpower-pels/hexdump.o \
+	$(top_builddir)/extensions/openpower-pels/json_utils.o \
 	$(top_builddir)/extensions/openpower-pels/log_id.o \
 	$(top_builddir)/extensions/openpower-pels/mtms.o \
 	$(top_builddir)/extensions/openpower-pels/mru.o \