Romulus fix the max number dimm attribute
diff --git a/openpower/configs/romulus_defconfig b/openpower/configs/romulus_defconfig
index d5eebf4..3a753b8 100644
--- a/openpower/configs/romulus_defconfig
+++ b/openpower/configs/romulus_defconfig
@@ -41,7 +41,7 @@
BR2_OPENPOWER_POWER9=y
BR2_HOSTBOOT_CONFIG_FILE="romulus.config"
BR2_OPENPOWER_MACHINE_XML_GITHUB_PROJECT_VALUE="romulus-xml"
-BR2_OPENPOWER_MACHINE_XML_VERSION="8633e11cd395547f37df3c9d90cc2c7e0bebd194"
+BR2_OPENPOWER_MACHINE_XML_VERSION="7b69b35ed1bce82ec270dcb98ce7c195f7132be3"
BR2_OPENPOWER_MACHINE_XML_FILENAME="romulus.xml"
BR2_OPENPOWER_SYSTEM_XML_FILENAME="ROMULUS_hb.system.xml"
BR2_OPENPOWER_MRW_XML_FILENAME="ROMULUS_hb.mrw.xml"