[S] Change in coreboot[master]: mb/google/brya: Define a more suitable MRC training text message

[Tarun Tuli (Code Review)]

Attention is currently required from: Anil Kumar K, Jérémy Compostella, Paul Menzel, Angel Pons, Nick Vaccaro.

Tarun Tuli has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/70796 )

Change subject: mb/google/brya: Define a more suitable MRC training text message
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Patch Set 26: Code-Review+2

(1 comment)

File src/mainboard/google/brya/Kconfig:

https://review.coreboot.org/c/coreboot/+/70796/comment/afc02759_dafbcd12 
PS23, Line 335: config MEMORY_TRAINING_TEXT
> Might be better to handle this in C code as an array of strings. […]

Agreed.  There is another discussion on another CL with the same thought (cl:70300).  
Since this is somewhat dupe and to keep the convo in one place, I will mark this one I created here resolved.