Fix includes using iwyu tool

These changes are done by running iwyu manually under clang14.

IWYU can increase readability, make maintenance easier, and avoid errors
in some cases. See details in
```
https: //github.com/include-what-you-use/include-what-you-use/blob/master/docs/WhyIWYU.md.
```
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: Idaaeffd78c9ad7db2b41a057d40f889ade297c55
diff --git a/tests/libpldm_platform_test.cpp b/tests/libpldm_platform_test.cpp
index 329f4ff..b62125b 100644
--- a/tests/libpldm_platform_test.cpp
+++ b/tests/libpldm_platform_test.cpp
@@ -1,9 +1,13 @@
+#include <endian.h>
 #include <string.h>
 
 #include <array>
+#include <cstdint>
+#include <vector>
 
 #include "libpldm/base.h"
 #include "libpldm/platform.h"
+#include "pldm_types.h"
 
 #include <gtest/gtest.h>