add ss_function.sh to install-files

Change-Id: Id29d4c7feced1bd87e5d5f9126ff31f15dc6af36
fixup ss_function.sh

Change-Id: I754ab94b6e37654516f64aa75b53b6c37efdf825
common: bugfix for fixboot.sh

Change-Id: I3bfcbf31df58e91b678e2df2b8cf9f05d81cac29