kuksa-val: add recipe

kuksa-val: add recipe

Add a kuksa-val recipe to build the current post-0.2.1 release HEAD
of the Eclipse KUKSA.val Vehicle Information Service (VIS) server,
and add it to the agl-demo-platform image by adding it to
packagegroup-agl-ivi-services.  Several local patches are applied to
enable building with OpenEmbedded and make installation into standard
Linux FHS locations feasible.  These will be discussed with upstream
to hopefully get them integrated.

Additionally, meta-networking has been added as a layer dependency
in the agl-demo feature template.  This is required due to kuksa-val
currently having mosquitto as a non-optional dependency.

Bug-AGL: SPEC-4405

Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Change-Id: I3c4574c5acaee916673922dda3066ab9e4fbcbb3