screen: fix parallel build

comm.h is needed to build list_display.o and list_generic.o otherwise
parallel builds will sometimes fail

Fixes:
 - http://autobuild.buildroot.org/results/43105f14857dbe72d8878fc7b3db67f7bdca93cc
 - http://autobuild.buildroot.org/results/47f4ecbec1355285633df287fc9c4e7cccde9378

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 72e6c208094376d668f836d2b6255ab6414025bd)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
1 file changed