op-build update 4-24-2018

Changes Included for package hcode, branch master:
181cb6d - hostboot - 2018-04-20 - Release tag information updated for hw042018a.920
2d19f24 - Yue Du - 2018-04-20 - STOP: Fix SGPE Active Core Updates

Changes Included for package zaius-xml, branch master:
a941f8b - Adrian Barrera - 2018-04-23 - Clean-up and add BG2 WOF tables

Changes Included for package hostboot, branch master:
e481581 - Raja Das - 2018-04-23 - [OPAL-MPIPL][4] Skip starting OCC in istep 6.11 in MPIPL Open-power
6c6d831 - Christian Geddes - 2018-04-23 - Create utility script to help automate scp calls to a given system
812ee5c - Christian Geddes - 2018-04-23 - Change all FAPI_INVOKE calls to be FAPI_EXEC in sbe_retry_handler
c5ed4fa - Corey Swenson - 2018-04-23 - Update Centaur attributes used in PRD Target Services
f331fdf - Bill Hoffa - 2018-04-23 - Update simulation build level to b0414a_1815.920
de8b3fe - Marty Gloff - 2018-04-23 - Remove Ordinal ID as an Attribute to Match
8bfb95c - spashabk-in - 2018-04-23 - Revert changes to EFF_FBC_GRP_CHIP_IDS mode
9404c33 - Zane Shelley - 2018-04-22 - PRD: renamed MBSECCFIR, MCBISTFIR, and MBSTR registers for MBA
422fb4d - Zane Shelley - 2018-04-22 - PRD: missing TP_LFIR_MASK_OR registers in rule code
56e2189 - Caleb Palmer - 2018-04-22 - PRD: Update MemMark utils for Centaur
dd73b30 - Ben Gass - 2018-04-21 - Adding p9n 2.3 support and p9n 2.3/p9c 1.2 security update
bdeef46 - Nick Klazynski - 2018-04-21 - TM workaround for HW443982
85f8731 - spashabk-in - 2018-04-21 - Consume PROC_MEM_TO_USE for alt memory config
a02dc53 - Vasant Hegde - 2018-04-21 - dump: Copy data type field from MDST table to MDRT table
a434252 - Christian Geddes - 2018-04-20 - Add script to generate istep wait timer attribute override
905647e - Christian Geddes - 2018-04-20 - Drain message queue prior to setting iv_disabled in mailboxsp
695bed5 - Sameer Veer - 2018-04-20 - Print OUTPUT from fsp-CI-Jenkins cmd -  to chk which hw was used by fspCI
71b89fa - Soma BhanuTej - 2018-04-20 - BugFix in progm exception & update brief info
0b218fd - Prem Shanker Jha - 2018-04-20 - Special Wakeup: Handling of special wakeup request on poweroff slave cores.
3d35455 - Louis Stermole - 2018-04-20 - Add parallel lab wrappers for p9c draminit_training_advanced and mcbist
58e124c - Raja Das - 2018-04-20 - Fenced Enabled check along with vdd_pfet_disable_core for scoms
71305e8 - Christian Geddes - 2018-04-20 - Convert all NULLs to nullptr in the fapi2 test cases rcTest.C
d527ca6 - Matt K. Light - 2018-04-20 - make ATTR_START_CBS_FIFO_RESET_SKIP platInit
38b16d8 - Stephen Glancy - 2018-04-20 - Adds centaur dynamic VDDR code
b6271f3 - Christian Geddes - 2018-04-20 - PM: Clean up PM Reset and PM Complex Suspend
fff083b - Brian Stegmiller - 2018-04-20 - PRD: Mask SBE attention on HB recovery failure
2726cfe - Caleb Palmer - 2018-04-20 - PRD: Update maskEccAttns for Centaur
783cff1 - Zane Shelley - 2018-04-20 - PRD: finalize IPL DRAM Repairs support for MBA
bebf03b - Zane Shelley - 2018-04-20 - PRD: Full support for TPS during MemDiags
eaeec37 - Zane Shelley - 2018-04-20 - PRD: Generic TpsEvent::analyzeEccErrors() function for all targets
baa092d - Zane Shelley - 2018-04-20 - PRD: template cleanup in MemEccAnalysis code
7f72551 - Zane Shelley - 2018-04-20 - PRD: simplified MemEcc::handleMpe() interface
2516009 - Zane Shelley - 2018-04-20 - PRD: Cumulus memory subsystem FIR review
f852aab - Benjamin Weisenbeck - 2018-04-20 - PRD: TOD fault analysis

Changes Included for package hostboot-binaries, branch master:
adda3bf - hostboot - 2018-04-20 - UPDATE executables for the NVIDIA gpu and/or ring files for hw042018a.920
diff --git a/openpower/configs/zaius_defconfig b/openpower/configs/zaius_defconfig
index 11a4dbd..545df64 100644
--- a/openpower/configs/zaius_defconfig
+++ b/openpower/configs/zaius_defconfig
@@ -41,7 +41,7 @@
 BR2_OPENPOWER_POWER9=y
 BR2_HOSTBOOT_CONFIG_FILE="zaius.config"
 BR2_OPENPOWER_MACHINE_XML_GITHUB_PROJECT_VALUE="zaius-xml"
-BR2_OPENPOWER_MACHINE_XML_VERSION="4b012a3d1da538b3fb97c332b6fce51a6cffaf9a"
+BR2_OPENPOWER_MACHINE_XML_VERSION="a941f8b75cdcd46caa6a7d82155078cb4a176c55"
 BR2_OPENPOWER_MACHINE_XML_FILENAME="zaius.xml"
 BR2_OPENPOWER_SYSTEM_XML_FILENAME="ZAIUS_hb.system.xml"
 BR2_OPENPOWER_MRW_XML_FILENAME="ZAIUS_hb.mrw.xml"