gnuradio : moved unused files to obsolete dir

Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>

diff --git a/recipes/gnuradio/gnuradio/gnuradio-libusb.patch b/recipes/obsolete/gnuradio/gnuradio/gnuradio-libusb.patch
similarity index 100%
rename from recipes/gnuradio/gnuradio/gnuradio-libusb.patch
rename to recipes/obsolete/gnuradio/gnuradio/gnuradio-libusb.patch

diff --git a/recipes/gnuradio/gnuradio/no-trellis-doc.patch b/recipes/obsolete/gnuradio/gnuradio/no-trellis-doc.patch
similarity index 100%
rename from recipes/gnuradio/gnuradio/no-trellis-doc.patch
rename to recipes/obsolete/gnuradio/gnuradio/no-trellis-doc.patch