build: iu: use libosmo-sccp tag 'old_sua'

libosmo-sccp master is moving ahead, openbsc --enable-iu needs an older
version.

Change-Id: Id74a802fd2ca65f4b6c2079550fbb6b0af3e8340
1 file changed
tree: 758b72b524e4e37413efa6a234b006c3e3d22614
  1. contrib/
  2. debian/
  3. openbsc/
  4. .gitignore
  5. .gitreview
  6. .mailmap