[coreboot] [PATCH] drop some per-board cruft

[Peter Stuge]

Stefan Reinauer wrote:
> * Set USBDEBUG_DEFAULT_PORT in all southbridges and use that value
>   to unify calls to *_enable_usbdebug()
> * rename *_enable_usbdebug() to enable_usbdebug()
> * move enable_usbdebug() to generic romstage console init code
>   and drop it from the individual romstage.c files.
> 
> Something similar should happen to the uart init:
> * uart_init() can go into console.c right now
> * superio init should go into a function local_uart_init() defined in
>   romstage.c and be called from console_init, too.
> 
> Signed-off-by: Stefan Reinauer <stefan.reinauer at coreboot.org>

Acked-by: Peter Stuge <peter at stuge.se>