Change in flashrom[master]: linux_spi: Reduce maximum read chunksize

[Nico Huber (Code Review)]

Hello Julian von Mendel, David Hendricks, Paul Menzel, build bot (Jenkins),

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

https://review.coreboot.org/25149

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

Change subject: linux_spi: Reduce maximum read chunksize
......................................................................

linux_spi: Reduce maximum read chunksize

It turned out that older kernels use a single buffer of `bufsiz` bytes
for combined input and output data. So we have to account for the read
command + max 4 address bytes.

Change-Id: Ide50db38af1004fde09a70b15938e77f5e1285ac
Signed-off-by: Nico Huber 
Tested-by: Julian von Mendel 
---
M linux_spi.c
1 file changed, 3 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/49/25149/2