opencv: improve reproducibility

Remove the build host info to improve reproducibility.

Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/opencv/opencv_4.5.0.bb

@@ -213,6 +213,11 @@ do_install_append() {
         mv ${D}/usr/lib/* ${D}/${libdir}/
         rm -rf ${D}/usr/lib
     fi
+    # remove build host path to improve reproducibility
+    if [ -f ${D}${libdir}/cmake/opencv4/OpenCVModules.cmake ]; then
+        sed -e 's@${STAGING_DIR_HOST}@@g' \
+            -i ${D}${libdir}/cmake/opencv4/OpenCVModules.cmake
+    fi
 }
 
 TOOLCHAIN = "gcc"