meta-phosphor: Add Telemetry recipe

Telemetry service is used as middleware between Redfish Telemetry
Service and dbus sensors. Redfish Telemetry Service is implemented
in bmcweb.

Tested:
 - Added telemetry.service to romulus image
 - Telemetry service starts with success in QEMU using romulus

(From meta-phosphor rev: 877a50945ab94d4ed3f90db6c194864852ba1f9a)

Change-Id: I913341fa1bcc439e0b0b418f7eadafc647396f18
Signed-off-by: Wludzik, Jozef <jozef.wludzik@intel.com>
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>