[PATCH 1/4] MdeModulePkg: Add SERIAL_DXE_FILE_GUID

["Anthony PERARD" <anthony.perard@citrix.com>]

SERIAL_DXE_FILE_GUID is used in different places, create a single
define that other can use.

Suggested-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
---

Notes:
    Suggested in: Message-ID: <7d6adf5d-baca-7e9c-68ef-2f8479bbd902@redhat.com>

 MdeModulePkg/MdeModulePkg.dec         |  3 +++
 MdeModulePkg/Include/Guid/SerialDxe.h | 19 +++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 MdeModulePkg/Include/Guid/SerialDxe.h

diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 6cba729982..6c5736618e 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -396,6 +396,9 @@ [Guids]
   ## Include/Guid/S3StorageDeviceInitList.h
   gS3StorageDeviceInitListGuid = { 0x310e9b8c, 0xcf90, 0x421e, { 0x8e, 0x9b, 0x9e, 0xef, 0xb6, 0x17, 0xc8, 0xef } }
 
+  ## Include/Guid/SerialDxe.h
+  gSerialDxeFileGuid = { 0xD3987D4B, 0x971A, 0x435F, { 0x8C, 0xAF, 0x49, 0x67, 0xEB, 0x62, 0x72, 0x41 } }
+
 [Ppis]
   ## Include/Ppi/AtaController.h
   gPeiAtaControllerPpiGuid       = { 0xa45e60d1, 0xc719, 0x44aa, { 0xb0, 0x7a, 0xaa, 0x77, 0x7f, 0x85, 0x90, 0x6d }}
diff --git a/MdeModulePkg/Include/Guid/SerialDxe.h b/MdeModulePkg/Include/Guid/SerialDxe.h
new file mode 100644
index 0000000000..4d53f4877f
--- /dev/null
+++ b/MdeModulePkg/Include/Guid/SerialDxe.h
@@ -0,0 +1,19 @@
+/** @file
+  Define the SerialDxe GUID.
+
+  Copyright (c) 2019, Citrix Systems, Inc.
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef __SERIAL_DXE_H__
+#define __SERIAL_DXE_H__
+
+#define SERIAL_DXE_FILE_GUID { \
+          0xD3987D4B, 0x971A, 0x435F, \
+          { 0x8C, 0xAF, 0x49, 0x67, 0xEB, 0x62, 0x72, 0x41 } \
+          }
+
+extern EFI_GUID gSerialDxeFileGuid;
+
+#endif // __SERIAL_DXE_H__
-- 
Anthony PERARD