OvmfPkg/RiscVVirt: Add PrePiHobListPointerLib library

Add the PrePiHobListPointerLib required for RISC-V Qemu Virt machine
since it follows PEIless design.

Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Abner Chang <abner.chang@amd.com>
Reviewed-by: Andrei Warkentin <andrei.warkentin@intel.com>
Acked-by: Jiewen Yao <Jiewen.yao@intel.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>

OvmfPkg/RiscVVirt/Library/PrePiHobListPointerLib/PrePiHobListPointerLib.inf

@@ -0,0 +1,23 @@
+#/** @file
+#
+#  Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#**/
+
+[Defines]
+  INF_VERSION                    = 0x0001001B
+  BASE_NAME                      = PrePiHobListPointerLib
+  FILE_GUID                      = E3FAFC60-758C-471B-A333-FE704A4C11B4
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = PrePiHobListPointerLib
+
+[Sources.RISCV64]
+  PrePiHobListPointer.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  OvmfPkg/OvmfPkg.dec
+  EmbeddedPkg/EmbeddedPkg.dec
+  UefiCpuPkg/UefiCpuPkg.dec