TESTCASES: Improve performance of general PG algorithm

Updates to the testcases for the new PG algorithm

Change-Id: I015c5c3174e22ebbdd6cb2b2cf256ba5686844cf
RTC:206066
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/72733
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Ilya Smirnov <ismirno@us.ibm.com>
Reviewed-by: Glenn Miles <milesg@ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

src/makefile

@@ -248,7 +248,7 @@ TESTCASE_MODULES += $(if $(CONFIG_EARLY_TESTCASES),,testrtloader)
 TESTCASE_MODULES += testsbe
 TESTCASE_MODULES += testsbeio
 TESTCASE_MODULES += testerrl
-#TESTCASE_MODULES += testhwas
+TESTCASE_MODULES += testhwas
 TESTCASE_MODULES += testvpd
 TESTCASE_MODULES += testsyslib
 TESTCASE_MODULES += testtlsmod