Snowball: Only copy egl.cfg if we have a vendor tarball

The copying is done by vendor/st-ericsson/snowball/device-snowball.mk
if it exists.

Change-Id: Ic78b4335a711fa800e092a83e2d3a217e0ad23b2
Signed-off-by: Patrik Ryd <patrik.ryd@stericsson.com>
1 file changed