The /config node (Configuration Options)
----------------------------------------

A number of run-time configuration options are provided in the /config node
of the control device tree. You can access these using fdtdec_get_config_int(),
fdtdec_get_config_bool() and fdtdec_get_config_string().

Available options are:

silent-console
	If present and non-zero, the console is silenced by default on boot.

no-keyboard
	Tells U-Boot not to expect an attached keyboard with a VGA console