[XS] Change in coreboot[main]: mb/siemens/{mc_ehl2,mc_ehl3,mc_ehl5}: Enable real-time tuning in FSP

[Mario Scheithauer (Code Review)]

Attention is currently required from: Paul Menzel, Werner Zeh.

Mario Scheithauer has posted comments on this change by Mario Scheithauer. ( https://review.coreboot.org/c/coreboot/+/84391?usp=email )

Change subject: mb/siemens/{mc_ehl2,mc_ehl3,mc_ehl5}: Enable real-time tuning in FSP
......................................................................

Patch Set 1:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/84391/comment/fa27f2eb_65158c87?usp... :
PS1, Line 11: improves performance in the real-time environment for these mainboards.
> Is there a public benchmark that could be run? Is there a command that can be run in Linux to check  […]

We use our self-made Linux system and our real-time automation software for the test. No public benchmark test can be used.