zeus migration: opencv: Fix warning applying this patch

https://jira.digi.com/browse/DEL-7013

Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>

meta-digi-dey/recipes-support/opencv/opencv/download.patch

@@ -1,10 +1,15 @@
-This CMake module will download files during do_configure.  This is bad as it
-means we can't do offline builds.
+From: Arturo Buzarra <arturo.buzarra@digi.com>
+Date: Thu, 16 Apr 2020 09:15:06 +0200
+Subject: [PATCH] This CMake module will download files during do_configure.
+ This is bad as it means we can't do offline builds.
 
 Add an option to disallow downloads by emitting a fatal error.
 
 Upstream-Status: Pending
 Signed-off-by: Ross Burton <ross.burton@intel.com>
+---
+ cmake/OpenCVDownload.cmake | 6 ++++++
+ 1 file changed, 6 insertions(+)
 
 diff --git a/cmake/OpenCVDownload.cmake b/cmake/OpenCVDownload.cmake
 index 63cf6d3238..4acf477f70 100644
@@ -13,13 +18,13 @@ index 63cf6d3238..4acf477f70 100644
 @@ -14,6 +14,7 @@
  #    RELATIVE_URL - if set, then URL is treated as a base, and FILENAME will be appended to it
  #  Note: uses OPENCV_DOWNLOAD_PATH folder as cache, default is <opencv>/.cache
- 
+
 +set(OPENCV_ALLOW_DOWNLOADS ON CACHE BOOL "Allow downloads")
  set(HELP_OPENCV_DOWNLOAD_PATH "Cache directory for downloaded files")
  if(DEFINED ENV{OPENCV_DOWNLOAD_PATH})
    set(OPENCV_DOWNLOAD_PATH "$ENV{OPENCV_DOWNLOAD_PATH}" CACHE PATH "${HELP_OPENCV_DOWNLOAD_PATH}")
 @@ -156,6 +157,11 @@ function(ocv_download)
- 
+
    # Download
    if(NOT EXISTS "${CACHE_CANDIDATE}")
 +    if(NOT OPENCV_ALLOW_DOWNLOADS)