op-build update 6-28-2019

Changes Included for package hostboot, branch master:
a4c72a5 - Dan Larson - 2019-06-27 - HBCI-177: Enable Code Coverage in CI
d978f97 - Mike Baiocchi - 2019-06-27 - Add Device Tree support for Nuvoton TPM 75x
3805319 - Christian Geddes - 2019-06-26 - Add HCDB Support for eeprom cache process
6fccf28 - Dan Crowell - 2019-06-26 - Add explicit support for a few new companies in copyright
c88e930 - Mark Pizzutillo - 2019-06-26 - Update pmic_enable to bypass attribute checks for boot from EEPROM
6a07592 - Louis Stermole - 2019-06-26 - Fix alignment of exp_draminit training response display
1dc1762 - Mark Pizzutillo - 2019-06-26 - Small amends to exp_draminit

Signed-off-by: hostboot <hostboot@us.ibm.com>
diff --git a/openpower/package/hostboot/Config.in b/openpower/package/hostboot/Config.in
index 7d85c19..8d1c332 100644
--- a/openpower/package/hostboot/Config.in
+++ b/openpower/package/hostboot/Config.in
@@ -25,7 +25,7 @@
 
 config BR2_HOSTBOOT_VERSION
 	string
-	default "79a312ed32a9c19a3420a6d603e76b7a849aec42" if BR2_HOSTBOOT_LATEST_VERSION
+	default "a4c72a5f2da81540b4d8309bac3413548aadd6e0" if BR2_HOSTBOOT_LATEST_VERSION
 	default BR2_HOSTBOOT_CUSTOM_VERSION_VALUE \
 		if BR2_HOSTBOOT_CUSTOM_VERSION