platform/x86: fujitsu-laptop: set default trigger for radio LED to rfkill-any

The "radio components indicator" LED present in Lifebook E734/E744/E754
should be lit when any radio transmitter is enabled, so set its default
trigger to rfkill-any.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Acked-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>