open-model-zoo: upgrade 2021.1 -> 2021.2

Drop a patch that has been merged and include another that was
accidently left off during the last upgrade.

Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>

dynamic-layers/openembedded-layer/recipes-support/opencv/open-model-zoo/0001-switch-to-python3.patch

@@ -1,38 +0,0 @@
-From 4dd5d9c7042b421c929bece05ee162b8827dc568 Mon Sep 17 00:00:00 2001
-From: Changqing Li <changqing.li@windriver.com>
-Date: Mon, 2 Nov 2020 11:44:33 +0800
-Subject: [PATCH] switch to python3
-
-Upstream-Status: Submitted
-[https://github.com/openvinotoolkit/open_model_zoo/pull/1701/commits/0261e21e63b84cc4e91b220f4a84ec52b5678e2c;
-https://github.com/gflags/gflags/pull/318#issuecomment-719466350]
-
-Signed-off-by: Changqing Li <changqing.li@windriver.com>
----
- .../speech_recognition_demo/speech_recognition_demo.py          | 2 +-
- thirdparty/gflags/test/gflags_build.py.in                 | 2 +-
- 2 files changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/python_demos/speech_recognition_demo/speech_recognition_demo.py b/python_demos/speech_recognition_demo/speech_recognition_demo.py
-index 6e8ff534..d28ccddc 100755
---- a/python_demos/speech_recognition_demo/speech_recognition_demo.py
-+++ b/python_demos/speech_recognition_demo/speech_recognition_demo.py
-@@ -1,4 +1,4 @@
--#!/usr/bin/env python
-+#!/usr/bin/env python3
- #
- # Copyright (C) 2019-2020 Intel Corporation
- # SPDX-License-Identifier: Apache-2.0
-diff --git a/thirdparty/gflags/test/gflags_build.py.in b/thirdparty/gflags/test/gflags_build.py.in
-index a8cba2bf..559163ef 100644
---- a/thirdparty/gflags/test/gflags_build.py.in
-+++ b/thirdparty/gflags/test/gflags_build.py.in
-@@ -1,4 +1,4 @@
--#!/usr/bin/env python
-+#!/usr/bin/env python3
- 
- import os
- import sys
--- 
-2.17.1
-

dynamic-layers/openembedded-layer/recipes-support/opencv/open-model-zoo_2021.2.bb

@@ -5,10 +5,10 @@ models and a set of demos to expedite development of high-performance \
 deep learning inference applications."
 
 SRC_URI = "git://github.com/opencv/open_model_zoo.git;protocol=git;branch=master \
-           file://0001-switch-to-python3.patch \
+           file://0001-use-oe-gflags.patch;striplevel=2 \
            "
 
-SRCREV = "75ec8ad4b6c4fd7fb161ae9d2c3056281b2443de"
+SRCREV = "338630987b403a6981d03ab6d04c2d5ad367793a"
 
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://../LICENSE;md5=86d3f3a95c324c9479bd8986968f4327 \