i think the easiest way would be that you update the
SRC_URI = “http://libmpsse.googlecode.com/files/libmpsse-1.3.tar.gz”
in
with your mirror or https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/libmpsse/libmpsse-1.3.tar.gz
so yocto will search for it there.
BR
Florian