Wait for software object priority update.

Added:
   - Keyword to read software attribute and verify.
   - Wait for "Priority" update to complete for 10 seconds.

Resolves  openbmc/openbmc-test-automation#1220

Change-Id: I33e56cbea09a0e6536c3da050864f3fca87fd9d7
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
1 file changed