Fix test tags name mismatch

Example:
$ awk -f check_robot_tags.awk ipmi/*
 --- ipmi/test_ipmi_lanplus.robot:
Verify Lanplus Interface
verify_lanplus_interface

 --- ipmi/test_ipmi_watchdog.robot:
Verify Timer Action For State Change
Verify

After fix:

$ awk -f check_robot_tags.awk ipmi/*

No error

Refer: openbmc/openbmc-test-automation/blob/master/docs/code_standards_check.md#3-robot-tags-check

Change-Id: I680ca0f3cfc13c270f7e9fc36d074b058d2a8aaf
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/ipmi/test_ipmi_lanplus.robot b/ipmi/test_ipmi_lanplus.robot
index dfc2bba..24aac0b 100644
--- a/ipmi/test_ipmi_lanplus.robot
+++ b/ipmi/test_ipmi_lanplus.robot
@@ -22,7 +22,7 @@
 
 Verify Lanplus Interface
     [Documentation]  Verify Lanplus interface.
-    [Tags]  verify_lanplus_interface
+    [Tags]  Verify_Lanplus_Interface
 
     Verify Lanplus Interface Commands