UE error injection keyword for code update

This is a pre-requisite for openbmc/openbmc-test-automation#1059

Changes:
   - Moved test keyword "Inject Error Through HOST" to common
     RAS lib keyword.
   - Added "Code Update Unrecoverable Error Inject" keyword to
     facilitate UE error injection specially for code update.

Resolves  openbmc/openbmc-test-automation#1100

Change-Id: Ifcff9d28018ad4ee5e31d75622023c51f325b45a
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
2 files changed