[coreboot-gerrit] Change in coreboot[master]: nb/intel/haswell: Clean up haswell.h header

[Nico Huber (Code Review)]

Attention is currently required from: Angel Pons, Arthur Heymans, Patrick Rudolph.
Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/51889 )

Change subject: nb/intel/haswell: Clean up haswell.h header
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Patch Set 6: Code-Review+2

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/51889/comment/ee336cf5_a1932bf2 
PS6, Line 11: Also drop the inclusion from ASL, as it is no longer necessary.
Hmm, this is only true because the `hostbridge.asl` is repeating
the constants from `registers/hostbridge.h` instead of using the
macros.