Update redfish host graceful restart boot type

Changes:
      - Modify "Redfish Host Reboot" to "RF SYS GracefulRestart".
      - Update lib and test cases with new boot type name.

Change-Id: I8fe9c9569bb20810604a792263eb9f76eec66d16
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/data/boot_lists/Manufacturing b/data/boot_lists/Manufacturing
index 51143b3..5ec1095 100755
--- a/data/boot_lists/Manufacturing
+++ b/data/boot_lists/Manufacturing
@@ -29,5 +29,5 @@
 IPMI Power Reset (mfg)
 Auto Reboot (mfg)
 Host Reboot (mfg)
-Redfish Host Reboot (mfg)
+RF SYS GracefulRestart (mfg)
 RF SYS ForceRestart (mfg)