Fix for IPMI sensor test suite

Changes:
Add logic to get device name from data source URI

Tested:
Tested changes on eBMC environment

Change-Id: I16b40257e8b6e4fe694ca86eef3a4faf2507891e
Signed-off-by: Sridevi Ramesh <sridevra@in.ibm.com>
diff --git a/data/platform_variables.py b/data/platform_variables.py
index 84ac259..16bfdee 100644
--- a/data/platform_variables.py
+++ b/data/platform_variables.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3 -u
 
 r"""
- Define methods to import platform specific files.
+Define methods to import platform specific files.
 """
 
 import importlib