Adhoc fixes in pfr-manager

1) Rename intel-pfr-manager to pfr-manger for syncing
   with recipe name.
2) Removed intel namespace for wider OEM's usage.
3) fix for anti-pattern in systemd service files.

Tested:
pfr-manager service works fine.

Change-Id: Ibeccf38116148dc2d270505d4197620330ab3330
Signed-off-by: AppaRao Puli <apparao.puli@linux.intel.com>
9 files changed