Don't flash beaglebone kernel

src/freedombone-image-hardware-setup

 case "$MACHINE" in
     beaglebone)
         beaglebone_setup_boot
-        beaglebone_flash
-        beaglebone_repack_kernel
+        #beaglebone_flash
+        #beaglebone_repack_kernel
         enable_serial_console ttyO0
         ;;
     beaglebonewifi)
         beaglebone_setup_boot wireless
-        beaglebone_flash
-        beaglebone_repack_kernel wireless
+        #beaglebone_flash
+        #beaglebone_repack_kernel wireless
         enable_serial_console ttyO0
         ;;
     cubietruck)