Unify reading pci paths

Signed-off-by: Kamil Diedrich <kamil.diedrich@intel.com>

shared/source/os_interface/linux/os_interface.h

@@ -6,9 +6,12 @@
  */
 
 #pragma once
+
 #include "shared/source/os_interface/os_interface.h"
 
 #include <memory>
+#include <optional>
+#include <string>
 
 namespace NEO {
 class Drm;
@@ -24,6 +27,8 @@ class OSInterface::OSInterfaceImpl {
 
     bool isDebugAttachAvailable() const;
 
+    static std::optional<std::string> getPciPath(int deviceFd);
+
   protected:
     std::unique_ptr<Drm> drm;
 };