Change in coreboot[master]: soc/mediatek/mt8173: Move spi driver to use spi_bus_map

[Furquan Shaikh (Code Review)]

Hello build bot (Jenkins),

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

https://review.coreboot.org/19770

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

Change subject: soc/mediatek/mt8173: Move spi driver to use spi_bus_map
......................................................................

soc/mediatek/mt8173: Move spi driver to use spi_bus_map

This is in preparation to get rid of the strong spi_setup_slave
implemented by different platforms.

BUG=b:38430839

Change-Id: Ib0d6e4e8185ce1285b671af5ebcead1d42e049bc
Signed-off-by: Furquan Shaikh 
---
M src/soc/mediatek/mt8173/spi.c
1 file changed, 27 insertions(+), 23 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/70/19770/4