Software version URI fix

Tests are using variable SOFTWARE_VERSION_URI and some new tests
are using SOFTWARE_VERSION.

Fixes variable naming to:
    SOFTWARE_VERSION_URI = '/xyz/openbmc_project/software/'

Resolves  openbmc/openbmc-test-automation#785

Change-Id: I902d2defd01aa198024fc445b235b673132580d8
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
5 files changed