Change in coreboot[master]: mb/lenvovo/*: Clean mainboard.c

[Patrick Rudolph (Code Review)]

Hello build bot (Jenkins),

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

https://review.coreboot.org/19494

to look at the new patch set (#4).

Change subject: mb/lenvovo/*: Clean mainboard.c
......................................................................

mb/lenvovo/*: Clean mainboard.c

Move board specific SPI registers to devicetree.
Remove unused headers.
Remove obsolete methods.
Fix coding style.

Change-Id: I692a5632030fe2fedbe9a90f86251000f1360fb2
Signed-off-by: Patrick Rudolph 
---
M src/mainboard/lenovo/l520/devicetree.cb
M src/mainboard/lenovo/l520/mainboard.c
M src/mainboard/lenovo/s230u/devicetree.cb
M src/mainboard/lenovo/s230u/mainboard.c
M src/mainboard/lenovo/t400/mainboard.c
M src/mainboard/lenovo/t420/devicetree.cb
M src/mainboard/lenovo/t420/mainboard.c
M src/mainboard/lenovo/t420s/devicetree.cb
M src/mainboard/lenovo/t420s/mainboard.c
M src/mainboard/lenovo/t430s/devicetree.cb
M src/mainboard/lenovo/t430s/mainboard.c
M src/mainboard/lenovo/t520/devicetree.cb
M src/mainboard/lenovo/t520/mainboard.c
M src/mainboard/lenovo/t530/devicetree.cb
M src/mainboard/lenovo/t530/mainboard.c
M src/mainboard/lenovo/x220/devicetree.cb
M src/mainboard/lenovo/x220/mainboard.c
M src/mainboard/lenovo/x230/devicetree.cb
M src/mainboard/lenovo/x230/mainboard.c
19 files changed, 89 insertions(+), 202 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/94/19494/4