Change in coreboot[master]: commonlib/bsd/helpers: Remove redundancy with libpayload defines

[Jakub Czapiga (Code Review)]

Attention is currently required from: Jakub Czapiga, Tim Wawrzynczak.
Hello build bot (Jenkins), Tim Wawrzynczak, Julius Werner,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/62921

to look at the new patch set (#3).

Change subject: commonlib/bsd/helpers: Remove redundancy with libpayload defines
......................................................................

commonlib/bsd/helpers: Remove redundancy with libpayload defines

Move STRINGIFY() from coreboot string.h to commonlib/bsd/helpers.h
Remove redundant defines from libpayload.h and libpayloads' standard
headers.

Signed-off-by: Jakub Czapiga 
Change-Id: I3263b2aa7657759207bf6ffda750d839e741f99c
---
M payloads/libpayload/drivers/video/graphics.c
M payloads/libpayload/include/libpayload.h
M payloads/libpayload/include/stddef.h
M payloads/libpayload/include/stdlib.h
M src/commonlib/bsd/include/commonlib/bsd/helpers.h
M src/include/string.h
6 files changed, 8 insertions(+), 54 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/21/62921/3