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>
diff --git a/data/variables.py b/data/variables.py
index 972a69f..8e374d4 100644
--- a/data/variables.py
+++ b/data/variables.py
@@ -42,7 +42,7 @@
 BMC_LOGGING_ENTRY = BMC_LOGGING_URI + 'entry/'
 
 # Software manager version
-SOFTWARE_VERSION = '/xyz/openbmc_project/software/'
+SOFTWARE_VERSION_URI = '/xyz/openbmc_project/software/'
 ACTIVE = 'xyz.openbmc_project.Software.Activation.Activations.Active'
 READY = 'xyz.openbmc_project.Software.Activation.Activations.Ready'
 INVALID = 'xyz.openbmc_project.Software.Activation.Activations.Invalid'