op-build update 12-18-2019

Changes Included for package hostboot, branch master:
4638dc5 - Dan Crowell - 2019-12-18 - Add current istep into TI SRC
75c0908 - Dan Crowell - 2019-12-17 - Switch DECONFIG over to DELAYED_DECONFIG
0921b80 - Mark Pizzutillo - 2019-12-16 - Add new DDIMM spd version 0_3 and update UTs
b47fb59 - Artem Senichev - 2019-12-16 - Replace descriptions with JEDEC register names

Changes Included for package pnor, branch master:
6fb8d91 - Dan - 2019-12-18 - Merge pull request #132 from open-power/revert-131-python3-as-python
22d22f9 - Dan - 2019-12-18 - Revert "Allow sbeOpDistribute to decide its interpreter"
21bd41e - Dan - 2019-12-16 - Merge pull request #131 from stewartsmith/python3-as-python
052e1bb - Stewart Smith - 2019-12-13 - Allow sbeOpDistribute to decide its interpreter

Signed-off-by: hostboot <hostboot@us.ibm.com>
diff --git a/openpower/package/hostboot/Config.in b/openpower/package/hostboot/Config.in
index 902d415..6f61e25 100644
--- a/openpower/package/hostboot/Config.in
+++ b/openpower/package/hostboot/Config.in
@@ -25,7 +25,7 @@
 
 config BR2_HOSTBOOT_VERSION
 	string
-	default "70ef787002a78ebbe6430a5f3355d42a8b1790b9" if BR2_HOSTBOOT_LATEST_VERSION
+	default "4638dc513da1390ce3652f34c51f39ac454e8953" if BR2_HOSTBOOT_LATEST_VERSION
 	default BR2_HOSTBOOT_CUSTOM_VERSION_VALUE \
 		if BR2_HOSTBOOT_CUSTOM_VERSION