packaging: Add safe.directory to the git config

Otherwise building as root will not work, as demonstrated by the arm64
CI.

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>

tools/packaging/kata-deploy/local-build/kata-deploy-binaries.sh

@@ -929,6 +929,8 @@ silent_mode_error_trap() {
 }
 
 main() {
+	git config --global --add safe.directory ${repo_root_dir}
+
 	local build_targets
 	local silent
 	build_targets=(