tegra: update symbol-check

I get a few more symbols in my build tegra-libraries, so let's
include these in the whitelist as well.

While we're at it, update the comment at the top.

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
1 file changed