nb/intel/x4x: Move register headers into a subfolder

Move all files with register definitions into a `registers` subfolder.
Subsequent commits will move the remaining registers into this folder.

Tested with BUILD_TIMELESS=1, Asus P5QL PRO does not change.

Change-Id: I74dbd985b980d8a42bfaf2984820005320a803d3
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45421
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions