package/spidev_test: fix spidev_test.c version in Config.in help text

- fix spidev_test.c version in Config.in help text, version update to 4.10
  (missing from commit 'spidev_test: bump to version in Linux 4.10' [1])

[1] https://git.buildroot.net/buildroot/commit/?id=a497a9fd6cdb518572282b1478279f476f870fb7

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
1 file changed