rdiff is a popular tool for calculating binary delta patches. It's
provided by the librsync package (unrelated to rsync already available
in poky).
This recipe adds new packages for librsync and rdiff.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
