updata md5sum for cmsis, flatbuffers and opencl, because gitte updated the package

Third_Party_Open_Source_Software_Notice

@@ -3048,7 +3048,7 @@ Copyright (c) Facebook Inc. and Microsoft Corporation.
 License: MIT License
 Please see above.
 
-Software: flatbuffers 1.11.0
+Software: flatbuffers 2.0.0
 Copyright notice: 
 Copyright (c) 2015 Google, Inc.
 Copyright 2014 Google Inc. All rights reserved.
@@ -9774,4 +9774,4 @@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
+DEALINGS IN THE SOFTWARE.

cmake/external_libs/cmsis.cmake

@@ -1,8 +1,8 @@
 set(cmsis_pkg_name cmsis)
 
 if(ENABLE_GITEE)
-    set(REQ_URL "https://gitee.com/mirrors/CMSIS_5/repository/archive/5.7.0")
-    set(MD5 "f8b5c3f0711feb9ebac0fb05c15f0306")
+    set(REQ_URL "https://gitee.com/mirrors/CMSIS_5/repository/archive/5.7.0.tar.gz")
+    set(MD5 "feb96c10a99bd0eb54fb7ce49af8d285")
 else()
     set(REQ_URL "https://github.com/ARM-software/CMSIS_5/archive/5.7.0.tar.gz")
     set(MD5 "0eaa594b0c62dd72e41ec181c4689842")

cmake/external_libs/opencl.cmake

@@ -1,10 +1,10 @@
 if(ENABLE_GITEE)
     set(REQ_URL "https://gitee.com/mirrors/OpenCL-Headers/repository/archive/v2020.12.18.tar.gz")
-    set(MD5 "e75dc757f16d3789ce551d79f989bf41")
+    set(MD5 "34e4ec0a23aaa7960523a0ab4853b647")
     set(PKG_GIT_TAG "")
     __download_pkg_with_git(OpenCL-Headers ${REQ_URL} ${PKG_GIT_TAG} ${MD5})
     set(REQ_URL "https://gitee.com/mirrors/OpenCL-CLHPP/repository/archive/v2.0.12.tar.gz")
-    set(MD5 "a07b45d676b02644482bc2c3bb90b891")
+    set(MD5 "7a07baf1c9776e40e93abaf8f4ac2859")
     set(PKG_GIT_TAG "")
     __download_pkg_with_git(OpenCL-CLHPP ${REQ_URL} ${PKG_GIT_TAG} ${MD5})
 else()