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>
diff --git a/xyz.openbmc_project.PFR.Manager.service b/xyz.openbmc_project.PFR.Manager.service
index 0f33aad..100fc09 100644
--- a/xyz.openbmc_project.PFR.Manager.service
+++ b/xyz.openbmc_project.PFR.Manager.service
@@ -3,10 +3,10 @@
 
 [Service]
 Restart=always
-ExecStart=/usr/bin/env intel-pfr-manager
+ExecStart=/usr/bin/pfr-manager
 RestartSec=5
 StartLimitInterval=0
-SyslogIdentifier=intel-pfr-manager
+SyslogIdentifier=pfr-manager
 Type=dbus
 BusName=xyz.openbmc_project.PFR.Manager