[S] Change in coreboot[main]: SiFive Unmatched: add support for spi1 x4 mode

[ron minnich (Code Review)]

Attention is currently required from: Maximilian Brune, ron minnich.

Hello Maximilian Brune, Philipp Hug, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/81031?usp=email

to look at the new patch set (#2).

The following approvals got outdated and were removed:
Verified+1 by build bot (Jenkins)

Change subject: SiFive Unmatched: add support for spi1 x4 mode
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SiFive Unmatched: add support for spi1 x4 mode

Tested on an unmatched, both SPI1 x1 and x4
work now.

Change-Id: Ida7f195eb6e4fc85018ceb83cf317595127c4af5
Signed-off-by: Ronald G Minnich 
---
M src/mainboard/sifive/hifive-unmatched/cbfs_spi.c
1 file changed, 25 insertions(+), 11 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/31/81031/2