major restructuring, prepare for smp

code/boot/uefi/include/riscv64/efilibplat.h

@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ OR BSD-2-Clause */
+
+VOID
+InitializeLibPlatform (
+    IN EFI_HANDLE           ImageHandle,
+    IN EFI_SYSTEM_TABLE* SystemTable
+    );