Full Path of SBE message passing Add support in rt_cmds.C
Full Path of SBE message passing Add support in rt_cmds.C

Provide a runtime testing path for verification of the HBRT code
and underlying code that processes the pass-through commands by
supporting SBE Message passing in rt_cmds.C.

Change-Id: I1f13fcd7644e5cbe22e6fcdd47611148b301db7a
RTC:173539
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/39908
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: Jenkins OP Build CI <e610bd72261d3c0a48f1e8ae36832ab00774d426@us.ibm.com>
Tested-by: FSP CI Jenkins <aa9e4d9ac7cd25905e9c0dd36d4150516e73dd86@us.ibm.com>
Reviewed-by: Corey V. Swenson <6b585c7446d4a0351ef146912eaabcae3d9a2e28@us.ibm.com>
Reviewed-by: Christian R. Geddes <f397583a9caa8163a06ad1128784fb67413f2fe6@us.ibm.com>
Reviewed-by: William G. Hoffa <7dd6aa5e78423995d9d7c7ecada5b77ee07f88cc@us.ibm.com>

Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot