Add test case to skip list.
Add test case to skip list.

Add 'Verify_Channel_Checkstop_Through_OS_With_Auto_Reboot' as it is NA.

Resolves openbmc/openbmc-test-automation#911

Change-Id: Ibd19ef449a80acc603660a5dac2a0c374d93fbca
Signed-off-by: Sweta Potthuri <2dadfb5b6d383cf4af087a4abfaa582bcc4a300f@in.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation