Fixes bladerf install scripts

- at least in CI, there is no bladerf, so don't try to upgrade a
  firmware (we don't do that either with USRPs)
- the base distro for ubuntu is debian

cmake_targets/tools/build_helper

@@ -346,19 +346,10 @@ install_bladerf_driver_from_source(){
     make
     $SUDO make install
     $SUDO ldconfig
-    echo "Downloading FPGA and firmware images"
-    cd /tmp/bladeRF
-    #wget has been removed from default dependencies, so we must be sure that's installed
-    $SUDO $INSTALLER -y install wget
-    wget --tries=3 --retry-connrefused https://www.nuand.com/fx3/bladeRF_fw_latest.img
-    wget --tries=3 --retry-connrefused https://www.nuand.com/fpga/hostedx40-latest.rbf
-    sudo mkdir -p /usr/share/Nuand/bladeRF
-    sudo mv bladeRF_fw_latest.img /usr/share/Nuand/bladeRF/bladeRF_fw.img
-    sudo mv hostedx40-latest.rbf /usr/share/Nuand/bladeRF/hostedx40.rbf
 }
 
 check_install_bladerf_driver(){
-    if [[ "$OS_DISTRO" == "ubuntu" ]]; then
+    if [[ "$OS_BASEDISTRO" == "debian" ]]; then
         $SUDO apt-get install -y  bladerf libbladerf-dev
         $SUDO apt-get install -y bladerf-firmware-fx3
         $SUDO apt-get install -y bladerf-fpga-hostedx40