0a83508fac
https://github.com/agherzan/meta-raspberrypi/pull/815 introduced python3-adafruit-blinka and this recipe has added rdep on rpi-gpio, however rpi-gpio is rpi specific package, and therefore should only be added when building rpi based platforms, this makes the layer work in a multi-bsp setup work Signed-off-by: Khem Raj <raj.khem@gmail.com>