op-build update 12-6-2019

Changes Included for package hostboot, branch master-p10:
4f2cffa - Christian Geddes - 2019-12-05 - Correct ptr math and force CI i/o in kernal for machchk escalation
f167758 - Dan Crowell - 2019-12-05 - For ATTR_MSS_OCMB_HALF_DIMM_MODE to full dimm mode
7c21d7a - hostboot - 2019-12-05 - Update simics level to: 2019-12-04_99dbbf_simics.tar.gz
e6cda28 - Bill Hoffa - 2019-12-05 - Enable Serial Testcases

Signed-off-by: hostboot <hostboot@us.ibm.com>
diff --git a/openpower/package/hostboot-p10/Config.in b/openpower/package/hostboot-p10/Config.in
index 873b1f9..5aca6d2 100644
--- a/openpower/package/hostboot-p10/Config.in
+++ b/openpower/package/hostboot-p10/Config.in
@@ -25,7 +25,7 @@
 
 config BR2_HOSTBOOT_P10_VERSION
 	string
-	default "1ffa56c9fed4f3c28636407f118ed3fec04e034a" if BR2_HOSTBOOT_P10_LATEST_VERSION
+	default "4f2cffaddbb74823669c4d19ebc7cd7bf2680200" if BR2_HOSTBOOT_P10_LATEST_VERSION
 	default BR2_HOSTBOOT_P10_CUSTOM_VERSION_VALUE \
 		if BR2_HOSTBOOT_P10_CUSTOM_VERSION