[BOOT:LIB] More initialization and cleanup

Started BlpMmDestroy(), MmMdDestroy(), MmPaDestroy(),
EfiSetWatchdogTimer(), EfiOpenProtocol(), EfiConInExSetState(), and
BlDestroyLibrary().
Completed BlpFwInitialize().
Improved InitializeLibrary().

BOOT/ENVIRON/LIB/MM/mmpa.c

@@ -58,6 +58,40 @@ Return Value:
     Mdl->Type = MDL_TYPE_PHYSICAL;
 }
 
+NTSTATUS
+MmPaDestroy (
+    IN ULONG Stage
+    )
+
+/*++
+
+Routine Description:
+
+    Cleans up after any actions performed by the page allocator.
+    After calling this, the page allocator can no longer be used.
+
+Arguments:
+
+    Stage - Which stage of cleanup to perform.
+        Stage 0: Unknown.
+        Stage 1: Unknown.
+
+Return Value:
+
+    STATUS_SUCCESS.
+
+--*/
+
+{
+    (VOID)Stage;
+
+    //
+    // TODO: Implement this routine.
+    //
+
+    return STATUS_SUCCESS;
+}
+
 NTSTATUS
 MmPaInitialize (
     IN PBOOT_MEMORY_INFO MemoryInfo,