buid: keep to use upx compression

.github/workflows/lo-test.yml

@@ -80,10 +80,9 @@ jobs:
           rm -rf build_dir staging_dir; mv sdk/*/build_dir ./ && rsync -a --ignore-existing sdk/*/staging_dir/ ./staging_dir/
           rm -rf sdk
           fi
-          #ln -sf /usr/bin/upx-ucl staging_dir/host/bin/upx
           sed -i '/\(tools\|toolchain\)\/Makefile/d' Makefile
           echo -e '# CONFIG_SIGNED_PACKAGES is not set\n' >> .config
-          grep -l -r --include=\Makefile '(STAGING_DIR_HOST)/bin/upx ' | xargs -n1 -i sed -i '/upx/d' {}
+          #grep -l -r --include=\Makefile '(STAGING_DIR_HOST)/bin/upx ' | xargs -n1 -i sed -i '/upx/d' {}
 
           make defconfig