libpldm: Correct reference to libpldm header files

When relying on header files from external libraries, #include<> should
be used instead of #include "" to avoid ambiguity.

Tested: Built pldm successfully after enabling ibm-oem

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: Ia1997de7e0f61564055bbd837f4e24c8f14e55a5
diff --git a/pldmtool/pldm_fru_cmd.cpp b/pldmtool/pldm_fru_cmd.cpp
index 6882916..14025aa 100644
--- a/pldmtool/pldm_fru_cmd.cpp
+++ b/pldmtool/pldm_fru_cmd.cpp
@@ -3,7 +3,7 @@
 #include "pldm_cmd_helper.hpp"
 
 #ifdef OEM_IBM
-#include "libpldm/fru_oem_ibm.h"
+#include <libpldm/fru_oem_ibm.h>
 #endif
 
 #include <endian.h>