Change in coreboot[master]: bayhub bh720: Factor out common HS200 init code

[EricR Lai (Code Review)]

Attention is currently required from: Raul Rangel, Martin Roth, Angel Pons.
EricR Lai has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/49833 )

Change subject: bayhub bh720: Factor out common HS200 init code
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Patch Set 2:

(1 comment)

File src/drivers/generic/bayhub/bh720.c:

https://review.coreboot.org/c/coreboot/+/49833/comment/645d2f0d_68b1da44 
PS1, Line 89: 	bh720_program_hs200_mode(dev);
> Alright. The thing with `enable_hs200_mode` is that I would need to set it on all devicetrees. […]

Thanks!