op-build update July 15th

Updated versions of firestone.mk, habanero-xml.mk, palmetto-xml.mk, and
hostboot.mk to the latest.

Removed redundant hostboot patch:
hostboot-0003-Fix-handling-of-ECC-protected-partitions-at-runtime.patch

Tested on palmetto, habanero, and firestone. IPL all the way to
petitboot, with and without trace enabled.

New commits from hostboot are:
3f64494 - Fix handling of ECC protected partitions at runtime - Dan
Crowell
8ffdfc8 - Rediscover location of HDAT data to handle IO CM operations -
Dan Crowell
b9c8fae - Fix non-master proc attr type in op mrw - Stephen Cprek
ad46bac - Ignore info/recovered logs in OpenPower boxes - Andres
Lugo-Reyes
e70e9e5 - Apply derating factor from sensor value - Richard J. Knight
c71dfd1 - Brazos:Server fails to IPL with 3 of 4 PCI Clock lines on
LCC-B bugged - Richard J. Knight
c622ec4 - Remove engine1 from the I2C Master list for Centaur in devtree
- Mike Baiocchi
8aae266 - PRDF: DRAM site locations for B4 card - Brian Stegmiller
e05935f - PRD: Created generic signatures for MBA DDRPHY registers -
Zane Shelley
bd9f0d4 - PRD: Fixed RAS policies in Restore DRAM Repairs - Zane Shelley

Note: Some existing defects are still present, namely: SW310433 and SW306829
diff --git a/openpower/package/firestone-xml/firestone.mk b/openpower/package/firestone-xml/firestone.mk
index 76b5755..66622f7 100644
--- a/openpower/package/firestone-xml/firestone.mk
+++ b/openpower/package/firestone-xml/firestone.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-FIRESTONE_XML_VERSION ?= 5123184b9f26bc1068afb9b57e796aecaf61b249
+FIRESTONE_XML_VERSION ?= 44d46e5f009b51fd65594c0efe6bb4f2380d11b1
 FIRESTONE_XML_SITE ?= $(call github,open-power,firestone-xml,$(FIRESTONE_XML_VERSION))
 
 FIRESTONE_XML_LICENSE = Apache-2.0