Add pldm_types.h to the install list

Change-Id: I0068fb8266f742ddfb271447558f28e308e30ccd
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/libpldm/Makefile.am b/libpldm/Makefile.am
index 5b95c39..e19cecd 100644
--- a/libpldm/Makefile.am
+++ b/libpldm/Makefile.am
@@ -1,5 +1,6 @@
 nobase_include_HEADERS = \
-	base.h
+	base.h \
+	pldm_types.h
 
 libpldm_LTLIBRARIES = libpldm.la
 libpldmdir = ${libdir}