Cleanup RTC TODOs for stricter secureboot testing
Cleanup RTC TODOs for stricter secureboot testing

This commit removes some TODOs that were put in place before all of
the secureboot paths were ready.  It now has stricter enforcement of
the secureboot rules in istep 10.3 - secureboot lockdown.

Change-Id: I20b68a30d21145f0008dd6e6df8196f2240b7af5
RTC:263474
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/112999
Reviewed-by: Deborah L McLemore <1938e6bc52a6fb400ff401d42bc5360c2c7aaa30@us.ibm.com>
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: Jenkins OP Build CI <e610bd72261d3c0a48f1e8ae36832ab00774d426@us.ibm.com>
Tested-by: Jenkins OP HW <0eb0fff262f74a65a832afbcc7b153e391c9a3fd@us.ibm.com>
Tested-by: Jenkins Combined Simics CI <8312af3886dfc9bb930f549023677220805b137e@us.ibm.com>
Reviewed-by: Roland Veloz <768fb49134ab823c765de70e7067d9f65f5d0a3e@us.ibm.com>
Reviewed-by: Nicholas E Bofferding <fb8db48116bc8a69e29dd8cdb037246f232f4af5@us.ibm.com>
Tested-by: FSP CI Jenkins <aa9e4d9ac7cd25905e9c0dd36d4150516e73dd86@us.ibm.com>
Tested-by: Hostboot CI <52521565bd8ea18a2b112942dce4f4220a97c2c8@us.ibm.com>

open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot