ovmf: Drop downstream patches

meta-oniro-core/recipes-core/ovmf/ovmf/0003-edk2-DevicePath-gcc12-workaround.patch

-# SPDX-FileCopyrightText: TianoCore and contributors
-#
-# SPDX-License-Identifier: Apache-2.0
-
-From 22130dcd98b4d4b76ac8d922adb4a2dbc86fa52c Mon Sep 17 00:00:00 2001
-From: Gerd Hoffmann <kraxel@redhat.com>
-Date: Thu, 24 Mar 2022 20:04:36 +0800
-Subject: [PATCH] Basetools: turn off gcc12 warning
-
-In function ?SetDevicePathEndNode?,
-    inlined from ?FileDevicePath? at DevicePathUtilities.c:857:5:
-DevicePathUtilities.c:321:3: error: writing 4 bytes into a region of size 1 [-Werror=stringop-overflow=]
-  321 |   memcpy (Node, &mUefiDevicePathLibEndDevicePath, sizeof (mUefiDevicePathLibEndDevicePath));
-      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-In file included from UefiDevicePathLib.h:22,
-                 from DevicePathUtilities.c:16:
-../Include/Protocol/DevicePath.h: In function ?FileDevicePath?:
-../Include/Protocol/DevicePath.h:51:9: note: destination object ?Type? of size 1
-   51 |   UINT8 Type;       ///< 0x01 Hardware Device Path.
-      |         ^~~~
-
-Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
-Signed-off-by: Bernhard Rosenkränzer <bernhard.rosenkraenzer.ext@huawei.com>
-Reviewed-by: Bob Feng <bob.c.feng@intel.com>
-Upstream-Status: Backport [commit 22130dcd98b4d4b76ac8d922adb4a2dbc86fa52c]
----
- BaseTools/Source/C/DevicePath/GNUmakefile | 3 +++
- 1 file changed, 3 insertions(+)
-
-diff --git a/BaseTools/Source/C/DevicePath/GNUmakefile b/BaseTools/Source/C/DevicePath/GNUmakefile
-index 7ca08af9662d..b05d2bddfa68 100644
---- a/BaseTools/Source/C/DevicePath/GNUmakefile
-+++ b/BaseTools/Source/C/DevicePath/GNUmakefile
-@@ -13,6 +13,9 @@ OBJECTS = DevicePath.o UefiDevicePathLib.o DevicePathFromText.o  DevicePathUtili
- 
- include $(MAKEROOT)/Makefiles/app.makefile
- 
-+# gcc 12 trips over device path handling
-+BUILD_CFLAGS += -Wno-error=stringop-overflow
-+
- LIBS = -lCommon
- ifeq ($(CYGWIN), CYGWIN)
-   LIBS += -L/lib/e2fsprogs -luuid