[SDK:NT] Another list helper & more status values

Added STATUS_INSUFFICIENT_NVRAM_RESOURCES
Added InitializeListHead()

SDK/INC/NT/ntdef.h

@@ -233,6 +233,33 @@ typedef struct _LIST_ENTRY {
     struct _LIST_ENTRY *Blink;
 } LIST_ENTRY, *PLIST_ENTRY;
 
+FORCEINLINE
+VOID
+InitializeListHead (
+    IN PLIST_ENTRY Head
+    )
+
+/*++
+
+Routine Description:
+
+    Initializes a list head.
+
+Arguments:
+
+    Head - the list head.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+    Head->Blink = Head;
+    Head->Flink = Head;
+}
+
 FORCEINLINE
 BOOLEAN
 RemoveEntryList (