imx6-gateworks: enable new canbus packages

The canbus package was recently changed to a more active project. This patch
updates the default package names to include the same functionality as before.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40531 3c298f89-4303-0410-b956-a3cf2f4a3e73