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/service/CMakeLists.txt b/service/CMakeLists.txt
index 10377f1..7b58e9e 100644
--- a/service/CMakeLists.txt
+++ b/service/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
-project(intel-pfr-manager CXX)
+project(pfr-manager CXX)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")