Migrate geard to svc-map

This patch migrates the geard element from map-services to svc-map
by adding the -a option to appropriate os-svc-* calls and adding
a svc-map file.

Change-Id: I55c7dbd0aefbb075a0a0d84b5e0ec057834bde19
Merge "Migrate geard to svc-map"