[XS] Change in flashrom[main]: Makefile: Fix version string for non-Git builds

[Anton Samsonov (Code Review)]

Attention is currently required from: Anton Samsonov, Anton Samsonov, Thomas Heijligen.

Hello Thomas Heijligen, build bot (Jenkins),

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

https://review.coreboot.org/c/flashrom/+/79152?usp=email

to look at the new patch set (#5).

The following approvals got outdated and were removed: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

Change subject: Makefile: Fix version string for non-Git builds
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Makefile: Fix version string for non-Git builds

Change-Id: I8694e618878823a9e96b1f2bcfa63f6c71d3c2ed
Signed-off-by: Anton Samsonov 
---
M Makefile
1 file changed, 3 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/52/79152/5