Change in coreboot[master]: src/lib/fw_config: Change fw_config sources priority

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: Furquan Shaikh, Jamie Ryu, Wonkyu Kim, Ravishankar Sarawadi, Subrata Banik, Julius Werner, Nick Vaccaro, Raj Astekar, Srinidhi N Kaushik.
Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/58833 )

Change subject: src/lib/fw_config: Change fw_config sources priority
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Patch Set 8: Code-Review+2

(1 comment)

File src/Kconfig:

https://review.coreboot.org/c/coreboot/+/58833/comment/cf5626a4_b6da3b04 
PS7, Line 408: config FW_CONFIG_SOURCE_CBFS
> Changing sequence is for following priority order or fallback order. […]

So the order of Kconfigs matches the order they are preferred to be read from in the code was my understanding.