p9_setup_evid: add system parm (loadline, etc) support
p9_setup_evid: add system parm (loadline, etc) support

Change-Id: Ia8ac6ae59d1fabcead3a1beed14c71a21d59b2dd
RTC: 166812
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/36320
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: Hostboot CI <52521565bd8ea18a2b112942dce4f4220a97c2c8@us.ibm.com>
Reviewed-by: Dean Sanner <3b8f978f111a0718dcf88848e092ac780da17ab3@us.ibm.com>
Reviewed-by: Brian T. Vanderpool <80bf54c65fef5142bcd6ac0d0b8f1646681d56b8@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <ab93eca12e43608f33daa16a67357cd7b7e867ab@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/36323
Reviewed-by: Hostboot Team <6963c9c00f6fe376c46a8e103faee5c9a2f9eaf2@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+6963c9c00f6fe376c46a8e103faee5c9a2f9eaf2@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+6963c9c00f6fe376c46a8e103faee5c9a2f9eaf2@us.ibm.com>
Reviewed-by: Daniel M. Crowell <912029ca9254ac7b5854e56910561d682e1fa2d0@us.ibm.com>

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