OvmfPkg/PvScsiDxe: Create empty driver

In preparation for support booting from PvScsi devices, create a
basic scaffolding for a driver.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2567
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200328200100.60786-2-liran.alon@oracle.com>
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>

OvmfPkg/PvScsiDxe/PvScsiDxe.inf

@@ -0,0 +1,27 @@
+## @file
+#
+# This driver produces Extended SCSI Pass Thru Protocol instances for
+# pvscsi devices.
+#
+# Copyright (C) 2020, Oracle and/or its affiliates.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 1.29
+  BASE_NAME                      = PvScsiDxe
+  FILE_GUID                      = 30346B14-1580-4781-879D-BA0C55AE9BB2
+  MODULE_TYPE                    = UEFI_DRIVER
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = PvScsiEntryPoint
+
+[Sources]
+  PvScsi.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+
+[LibraryClasses]
+  UefiDriverEntryPoint