* remove setting LED in user button function.
We want to decouple reading user button and setting LED. This
two things need to be done independently.
* led cmd can be used to control LEDs that are defined in board file
having a led cmd, one can easily set LEDs in u-boot shell. For
example bootcmd can be extended to disable status LED before
Signed-off-by: Samuel Egli <email@example.com>
Cc: Roger Meier <firstname.lastname@example.org>
Cc: Heiko Schocher <email@example.com>
Cc: Wolfgang Denk <firstname.lastname@example.org>