debugpolicy: allow read access to the DPM version file

Allow init_dpm.sh to read the DPM version file at
sys/firmware/devicetree/base/dpm/version

Bug: 234479585

Change-Id: I3c1d11db1635ff7975aaab70c692a32881b3e483
Signed-off-by: Bryan Bong Gyoune Kim <bgkim@google.com>
3 files changed