package/dtv-scan-tables: switch upstream location
The old git tree is unreachable now, switch to using the new one.
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit c7bd3805bded7c840731956c97233b0607a78e3f)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>