VideoBackendBase: Convert EFBAccessType into an enum class

Source/Core/VideoBackends/OGL/FramebufferManager.cpp

@@ -674,7 +674,7 @@ void FramebufferManager::PokeEFB(EFBAccessType type, const EfbPokeData* points,
 {
   g_renderer->ResetAPIState();
 
-  if (type == POKE_Z)
+  if (type == EFBAccessType::PokeZ)
   {
     glDepthMask(GL_TRUE);
     glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);