My workaround for this problem:
If you want to enable the gpio's and with that the led's just change the value of the file "/sys/devices/platform/10000000.palmbus/10000600.gpio/gpiochip0/gpio/enable-leds/value" to 0.
To enable those permanently you have to add the following command to a script that runs while booting: echo 0 > "/sys/devices/platform/10000000.palmbus/10000600.gpio/gpiochip0/gpio/enable-leds/value". I just put the command to the last line of the start() method in the file "/etc/init.d/led".