helper: test: gitignore add iplookuptable
helper: test: gitignore add iplookuptable

Obviously a miss from commit:
 c4aefb88d31452b3add8cf16f9eef152525c3e93

Signed-off-by: Christophe Milard <99616a981fa4477cda708a70f78076761c0c9f1c@linaro.org>
Signed-off-by: Maxim Uvarov <db4d16e02ae2d7493db430203537da8b2e34f290@linaro.org>

erachmi/odp,erachmi/odp,erachmi/odp,erachmi/odp