libpldm: Migrate to subproject

Organize files in libpldm to make it a subproject

In the current state, libpldm is not readily consumable
as a subproject.This commit does all the necessary re-organisation
of the source code to make it work as a subproject.

There are no .c/.h files changes in this commit, only meson
changes and re-organising the code structure.

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: I20a71c0c972b1fd81fb359d604433618799102c6
diff --git a/pldmtool/oem/ibm/oem_ibm_state_set.hpp b/pldmtool/oem/ibm/oem_ibm_state_set.hpp
index d69e2fc..7799c61 100644
--- a/pldmtool/oem/ibm/oem_ibm_state_set.hpp
+++ b/pldmtool/oem/ibm/oem_ibm_state_set.hpp
@@ -1,4 +1,4 @@
-#include "oem/ibm/libpldm/state_set_oem_ibm.h"
+#include "libpldm/state_set_oem_ibm.h"
 
 #include <libpldm/entity.h>
 #include <libpldm/entity_oem_ibm.h>
diff --git a/pldmtool/oem/ibm/pldm_oem_ibm.cpp b/pldmtool/oem/ibm/pldm_oem_ibm.cpp
index 11b0b5d..86081f4 100644
--- a/pldmtool/oem/ibm/pldm_oem_ibm.cpp
+++ b/pldmtool/oem/ibm/pldm_oem_ibm.cpp
@@ -1,8 +1,8 @@
 #include "pldm_oem_ibm.hpp"
 
-#include "oem/ibm/libpldm/file_io.h"
-#include "oem/ibm/libpldm/host.h"
-#include "pldm_types.h"
+#include "libpldm/file_io.h"
+#include "libpldm/host.h"
+#include "libpldm/pldm_types.h"
 
 #include "../../pldm_cmd_helper.hpp"
 
diff --git a/pldmtool/pldm_cmd_helper.cpp b/pldmtool/pldm_cmd_helper.cpp
index b8a4b6d..039e984 100644
--- a/pldmtool/pldm_cmd_helper.cpp
+++ b/pldmtool/pldm_cmd_helper.cpp
@@ -1,6 +1,6 @@
 #include "pldm_cmd_helper.hpp"
 
-#include "libpldm/requester/pldm.h"
+#include "libpldm/pldm.h"
 
 #include "xyz/openbmc_project/Common/error.hpp"
 
diff --git a/pldmtool/pldm_fru_cmd.cpp b/pldmtool/pldm_fru_cmd.cpp
index 6b3b399..6882916 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 "oem/ibm/libpldm/fru.h"
+#include "libpldm/fru_oem_ibm.h"
 #endif
 
 #include <endian.h>