IPMI changes to support port changes

Changes:
    - Added "-p" option with defaulted to port 623.

Change-Id: I4a49505f6ecf1a234caebaf74ed6499b1a8c2fe5
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/lib/resource.robot b/lib/resource.robot
index f128d23..bb43a2d 100755
--- a/lib/resource.robot
+++ b/lib/resource.robot
@@ -37,6 +37,7 @@
 # User define input SSH and HTTPS related parameters
 ${SSH_PORT}         22
 ${HTTPS_PORT}       443
+${IPMI_PORT}        623
 ${OPENBMC_SERIAL_HOST}      ${EMPTY}
 ${OPENBMC_SERIAL_PORT}      ${EMPTY}