rename enum gprs_mm_state to gprs_gmm_state

Change-Id: Ibba054d15c55c7ac570e64ff66ea57964be095e3
tree: 64d1bbac784576454e3ce9688f518e24e73a4b97
  1. contrib/
  2. debian/
  3. openbsc/
  4. .gitignore
  5. .gitreview