Don't upgrade the kernel on Beaglebone Black

src/freedombone

 TLS_TIME_SOURCE1="google.com"
 TLS_TIME_SOURCE2="www.ptb.de"
 
-# kernel specifically tweaked for the Beaglebone Black
-# See http://rcn-ee.net/deb/jessie-armhf/
-KERNEL_VERSION="v3.15.10-bone8"
-
 # The type of hardware random number generator being used
 # This can be empty, "beaglebone" or "onerng"
 HWRNG_TYPE=
   echo 'enable_backports' >> $COMPLETION_FILE
 }
 
-function update_the_kernel {
-  if grep -Fxq "update_the_kernel" $COMPLETION_FILE; then
-      return
-  fi
-  # if this is not a beaglebone or is a docker container
-  # then just use the standard kernel
-  if [[ $INSTALLED_WITHIN_DOCKER == "yes" || $INSTALLING_ON_BBB != "yes" ]]; then
-      return
-  fi
-  cd /opt/scripts/tools
-  ./update_kernel.sh --kernel $KERNEL_VERSION
-  echo 'update_the_kernel' >> $COMPLETION_FILE
-}
-
 function enable_zram {
   if grep -Fxq "enable_zram" $COMPLETION_FILE; then
       return
 enforce_good_passwords
 install_editor
 change_login_message
-update_the_kernel
 enable_zram
 random_number_generator
 set_your_domain_name