MT#56659 generator.sh: debian/source was not processed

* remove ngcp- prefix was not done for any subdirectory at debian

Change-Id: I89942771ac83ee18bca6b53c053c314dce26657b

pkg/deb/generator.sh

@@ -15,7 +15,7 @@ cp -ra backports debian
 
 # rules
 echo "- Remove ngcp- prefix"
-find debian -maxdepth 1 -type f -exec \
+find debian -maxdepth 2 -type f -exec \
   sed -i -e 's/ngcp-rtpengine/rtpengine/g' \
   -e 's/ngcp\\-rtpengine/rtpengine/g' {} \;