package/spandsp: needs jpeg support in tiff package

package/spandsp: needs jpeg support in tiff package

Since upstream commit https://github.com/freeswitch/spandsp/commit/
be0bce3dbc4b33f92e8da985900104b857259d02#diff-67e997bcfdac55191033d57a16d1408aR550,
jpeg support is needed in the fiff package.

This issue appeared with the bump of spandsp to 3.0 in commit
36c983bfa543de89ab8c9374a860d2fdf8a2fb87.

Fixes:
http://autobuild.buildroot.net/results/f5e/f5efa4aeef661670403111074b9397da47167d07/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>