[XS] Change in coreboot[main]: src/include/: Introducing a new BIT_32(x) macro.

[Ashish Kumar Mishra (Code Review)]

Attention is currently required from: Martin Roth, Saurabh Mishra, Subrata Banik.

Ashish Kumar Mishra has posted comments on this change by Saurabh Mishra. ( https://review.coreboot.org/c/coreboot/+/84142?usp=email )

Change subject: src/include/: Introducing a new BIT_32(x) macro.
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Patch Set 8:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/84142/comment/af0e6d3d_3e045d3d?usp... :
PS8, Line 7: /
Please remove '/' at end.

File src/include/types.h:

https://review.coreboot.org/c/coreboot/+/84142/comment/2c647923_e3f1935e?usp... :
PS8, Line 24: #ifdef BIT_32
If we use `#ifdef` and redefine `BIT_32`, we'll still see  "macro redefined" error.
We should use `#undef BIT_32` inside #ifdef guard first, followed by redefining.