[coreboot] patch: powerbutton and com2 for lx

[Stefan Reinauer]

* ron minnich <rminnich at gmail.com> [080306 02:51]:
> This is tested and working on DBE62.
> 
> powerbutton is now in stage2, controlled by dts.
> 
> ron

> This fix moves the power button management to stage 2. Power button is 
> now default disabled, which is the safest setting. Power button is 
> controlled by the power_button in the cs5536 dts. "1" means enable.
> 
> This patch also adds (we hope temporarily!) a function in stage1 to 
> setup COM2 as COM1. We're working around this but for now it's needed. 
> This function is from v2. 
> 
> Signed-off-by: Ronald G. Minnich <rminnich at gmail.com>
Acked-by: Stefan Reinauer <stepan at coresystems.de>



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