Add IPMI cipher default in tox.ini profile

and https://gerrit.openbmc-project.xyz/#/c/10387/ changes bellow

IPMI cipher level integrity test

Changes:
     - Added test to execute all cipher supported level.
     - Added local IPMI test suite keyword to execute command
       with a given cipher level value.
     - Added new IPMI_CIPHER_LEVEL global variable.
     - Added new default  variable IPMI_CIPHER_LEVEL and set
       value to 3.
     - Added IPMI chipher supported list variable.

Change-Id: Ib8083c55028cea31275df46594cde7c187d36496
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tox.ini b/tox.ini
index 67b44b9..4f30743 100755
--- a/tox.ini
+++ b/tox.ini
@@ -10,6 +10,7 @@
     SYSLOG_IP_ADDRESS=127.0.0.1
     SYSLOG_PORT=514
     IPMI_COMMAND=External
+    IPMI_CIPHER_LEVEL=3
 whitelist_externals = *
 install_command = pip install {opts} {packages}
 deps = -r{toxinidir}/requirements.txt