We've always been depending on external SQLite, however by default Qt
builds using its own internal copy of SQLite. Add the configure option
to actually use the external SQLite library and make it clearer which
version is in use.
Fixes [YOCTO #2514].
(From OE-Core rev: 33e0afd2fffdef4dccfce6383bc646f975972b1e)
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>