install: Ensure the install file is the right name

This package was broken because dpkg-buildpackage wasn't using the correct
install file to actually install the scripts with.

Change-Id: I5fa1164c90391667b31d449e5b2413c61a0c8312
(cherry picked from commit 50e92dffaae99cfd0d0674b2c401c9f04e3d4417)
diff --git a/debian/aiy-board-tools.install b/debian/imx-board-tools.install
similarity index 100%
rename from debian/aiy-board-tools.install
rename to debian/imx-board-tools.install