[S] Change in coreboot[master]: src/soc/intel: Document meaning of variables

[Subrata Banik (Code Review)]

Attention is currently required from: Tarun Tuli, Kapil Porwal, Paul Menzel, Maximilian Brune, Angel Pons.

Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/71664 )

Change subject: src/soc/intel: Document meaning of variables
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Patch Set 2:

(1 comment)

File src/soc/intel/alderlake/chip.h:

https://review.coreboot.org/c/coreboot/+/71664/comment/7edae43d_2d4b1756 
PS1, Line 156: 	DDI_ENABLE_HPD = 1 << 1, // Hot Plug Detect
> I know but there is still no reason to make a multi-line comment for a single line.

This is what i can find in coreboot coding standard wiki

`coreboot style for comments is the C89 "/* ... */" style. You may use C99-style "// ..." comments.`

hence, mentioned as `nit`

I do prefer /* .. */ for single line commenting as well.