examples: Fix missing pin assigment in blink
examples: Fix missing pin assigment in blink

microflo/microflo,rraallvv/microflo,uwekamper/microflo-spiexperiment,rraallvv/microflo,bergie/microflo,bergie/microflo,microflo/microflo,uwekamper/microflo-spiexperiment,bergie/microflo,uwekamper/microflo-spiexperiment,rraallvv/microflo,microflo/microflo,bergie/microflo,uwekamper/microflo-spiexperiment,microflo/microflo,microflo/microflo,rraallvv/microflo,microflo/microflo