op-build update 2-21-2020

Changes Included for package hostboot, branch master:
1559c89 - Roland Veloz - 2020-02-20 - The HOMER address is colliding with an NVDIMM address and should not
a426054 - Matt Derksen - 2020-02-20 - NVDIMM: correct the RC for BLOCK write failure
7460967 - Adam Hale - 2020-02-20 - enable commandlists on non-gemini systems
3655c17 - Adam Hale - 2020-02-20 - Disable fast act for power savings - no performance benefit

Signed-off-by: hostboot <hostboot@us.ibm.com>
diff --git a/openpower/package/hostboot/Config.in b/openpower/package/hostboot/Config.in
index e843fe3..f7bddf7 100644
--- a/openpower/package/hostboot/Config.in
+++ b/openpower/package/hostboot/Config.in
@@ -25,7 +25,7 @@
 
 config BR2_HOSTBOOT_VERSION
 	string
-	default "caaf22c3e140c1b0b201a14473a6863939030864" if BR2_HOSTBOOT_LATEST_VERSION
+	default "1559c893ba80b503e22c4d661c3e39fcd69f0a48" if BR2_HOSTBOOT_LATEST_VERSION
 	default BR2_HOSTBOOT_CUSTOM_VERSION_VALUE \
 		if BR2_HOSTBOOT_CUSTOM_VERSION