[coreboot] [PATCH] Restructure i3100 Super I/O driver to match the rest of the codebase

[Peter Stuge]

Uwe Hermann wrote:
> Restructure i3100 Super I/O driver to match the rest of the codebase.
> 
>  - i3100_early_serial.c:
> 
>     - Split out enter/exit functions as the other Super I/Os do.
> 
>     - Make i3100_enable_serial() take a device_t as usual, and convert
>       it to use the standard pnp_* function instead of open-coding
>       the same functionality by hand.
> 
>     - Factor out i3100_configure_uart_clk() from i3100_enable_serial(),
>       we do the same in various other Super I/Os, e.g. ITE ones.
> 
>  - Add some #defines for register / bit values and some comments.
> 
>  - Only functional change: Don't set bit 1 of SIW_CONFIGURATION, it's
>    marked as "READ ONLY, WRITES IGNORED" in the datasheet.
> 
> Signed-off-by: Uwe Hermann <uwe at hermann-uwe.de>

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