cmake HAVE_IPP examples

SsageParuders/Android_Native_Surface my_android_opencv/cmake/OpenCVFindIPP.cmake :27 

unset(HAVE_IPP CACHE)

SsageParuders/Android_Native_Surface my_android_opencv/cmake/OpenCVFindIPP.cmake :78 

unset(HAVE_IPP)

joachimBurket/esp32-opencv cmake/OpenCVFindIPP.cmake :27 

unset(HAVE_IPP CACHE)

joachimBurket/esp32-opencv cmake/OpenCVFindIPP.cmake :78 

unset(HAVE_IPP)

plumonito/dtslam 3rdparty/opencv-git/cmake/OpenCVFindIPP.cmake :27 

unset(HAVE_IPP CACHE)

plumonito/dtslam 3rdparty/opencv-git/cmake/OpenCVFindIPP.cmake :79 

unset(HAVE_IPP)