Pylint error and warning fixes

Changes:
     - C0114 Missing module docstring
     - C0103 Constant name "OS_BOOT_CBoot" doesn't conform
       to UPPER_CASE naming style
     - C0103 Constant name "OS_BOOT_DiagBoot" doesn't conform
       to UPPER_CASE naming style

Tested:
    - python3 -m pylint data/variables.py

Change-Id: I7945c31dd25dead2fb39f416eae0c34ae20b3dfb
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tests/ipmi/test_sensors_ipmi.robot b/tests/ipmi/test_sensors_ipmi.robot
index 7880922..e524335 100644
--- a/tests/ipmi/test_sensors_ipmi.robot
+++ b/tests/ipmi/test_sensors_ipmi.robot
@@ -138,7 +138,7 @@
     [Template]  Check OperatingSystemState
 
     # OperatingSystemStateID  OperatingSystemState
-    0x02                      ${OS_BOOT_CBoot}
+    0x02                      ${OS_BOOT_CBOOT}
 
 
 Set OperatingSystemState To PXEBoot And Verify
@@ -188,7 +188,7 @@
     [Template]  Check OperatingSystemState
 
     # OperatingSystemStateID  OperatingSystemState
-    0x08                      ${OS_BOOT_DiagBoot}
+    0x08                      ${OS_BOOT_DIAGBOOT}
 
 
 # Boot Progress Test Cases.