flashrom: fix static build with uClibc
Define HAVE_STRNLEN to avoid local strnlen() definition.
Fixes:
http://autobuild.buildroot.net/results/7dc/
7dc4298e3a07c73e03f70205516d68a0f4c2d297/
http://autobuild.buildroot.net/results/e36/
e362848eb45f6b8100131361e6e5faa546f0bbd8/
http://autobuild.buildroot.net/results/69e/
69ef10ec710f418b4d10c1edb4f2ce2e49b522bf/
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit
57f4efed7965e573a444544363d0cf74cec13be1)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>