op-build update 5-3-2019

Changes Included for package hostboot, branch master:
19a436e - Matt Derksen - 2019-05-02 - Return p9a_omi_io_scom failure
c18d709 - Christian Geddes - 2019-05-02 - Set endianess switch attributes to workaround inband OCMB sim issues
eb3c896 - Dan Crowell - 2019-05-02 - Handle DD2.3 mode properly when setting elevated risk in HDAT
49d81ec - Luis Fernandez - 2019-05-02 - General Improvement: Get HB standalone + op-build working with GCC8

Signed-off-by: hostboot <hostboot@us.ibm.com>
diff --git a/openpower/package/hostboot/Config.in b/openpower/package/hostboot/Config.in
index dc60485..a169a70 100644
--- a/openpower/package/hostboot/Config.in
+++ b/openpower/package/hostboot/Config.in
@@ -25,7 +25,7 @@
 
 config BR2_HOSTBOOT_VERSION
 	string
-	default "a6b70d6c06d2b261bbb0a00522088fd5c0d8f395" if BR2_HOSTBOOT_LATEST_VERSION
+	default "19a436e44c7dd97348ee957a7dab2e248dde64ef" if BR2_HOSTBOOT_LATEST_VERSION
 	default BR2_HOSTBOOT_CUSTOM_VERSION_VALUE \
 		if BR2_HOSTBOOT_CUSTOM_VERSION