this driver buid for testing RPI official Wi-FI module on sparky 3.10.38 kernel ( not tested)
steps
ssh login to sparky
cd /usr/src/
wget https://raw.githubusercontent.com/sparky-sbc/sparky-test/master/bcm43143/brcm_wlan.tar
tar -xvf brcm_wlan.tar
cd brcm_wlan
./install.sh