Change in flashrom[staging]: Add Doxyfile for libflashrom documentation

[Nico Huber (Code Review)]

Hello David Hendricks, build bot (Jenkins),

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

https://review.coreboot.org/17947

to look at the new patch set (#10).

Change subject: Add Doxyfile for libflashrom documentation
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Add Doxyfile for libflashrom documentation

Reference documentation for libflashrom can be build with doxygen. With
  doxygen Doxyfile
documentation will be put into a libflashrom-doc/ subdirectory.

v2: o Updated Doxyfile with `doxygen -u Doxyfile`.
    o Added flashrom.c to the INPUT list.

Change-Id: I583bf9aa8c43049723aff498625d490c37832f13
Signed-off-by: Nico Huber 
---
A Doxyfile
1 file changed, 2,422 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/47/17947/10