intel: move stubs to the respective source files
diff --git a/icd/intel/mem.h b/icd/intel/mem.h
index 14b8c15..59f1f4d 100644
--- a/icd/intel/mem.h
+++ b/icd/intel/mem.h
@@ -87,4 +87,29 @@
 XGL_RESULT XGLAPI intelUnmapMemory(
     XGL_GPU_MEMORY                              mem);
 
+XGL_RESULT XGLAPI intelPinSystemMemory(
+    XGL_DEVICE                                  device,
+    const XGL_VOID*                             pSysMem,
+    XGL_SIZE                                    memSize,
+    XGL_GPU_MEMORY*                             pMem);
+
+XGL_RESULT XGLAPI intelRemapVirtualMemoryPages(
+    XGL_DEVICE                                  device,
+    XGL_UINT                                    rangeCount,
+    const XGL_VIRTUAL_MEMORY_REMAP_RANGE*       pRanges,
+    XGL_UINT                                    preWaitSemaphoreCount,
+    const XGL_QUEUE_SEMAPHORE*                  pPreWaitSemaphores,
+    XGL_UINT                                    postSignalSemaphoreCount,
+    const XGL_QUEUE_SEMAPHORE*                  pPostSignalSemaphores);
+
+XGL_RESULT XGLAPI intelOpenSharedMemory(
+    XGL_DEVICE                                  device,
+    const XGL_MEMORY_OPEN_INFO*                 pOpenInfo,
+    XGL_GPU_MEMORY*                             pMem);
+
+XGL_RESULT XGLAPI intelOpenPeerMemory(
+    XGL_DEVICE                                  device,
+    const XGL_PEER_MEMORY_OPEN_INFO*            pOpenInfo,
+    XGL_GPU_MEMORY*                             pMem);
+
 #endif /* MEM_H */