Add Staged to activation

Staged in Activations yaml is added to denote the firmware image
that is being written to flash staging area as part of
firmware update process which will be moved to Active upon reset.

Change-Id: I0d46206463ba566bcaa710fb271aa4d795fa49cd
Signed-off-by: Vikram Bodireddy <vikram.bodireddy@linux.intel.com>
2 files changed