Resynchronize rainier-xml commit tag in fw1020

The fw1020 branch of rainier-xml was accidentally deleted.  The
restoration resulted in some modified history which broke our
automatic PR creation tool.  This change sets the commit to the
current HEAD of the rainier-xml/release-fw1020 branch.

Signed-off-by: Daniel Crowell <dcrowell@us.ibm.com>
diff --git a/openpower/configs/p10ebmc_defconfig b/openpower/configs/p10ebmc_defconfig
index a0614e7..e7b4688 100644
--- a/openpower/configs/p10ebmc_defconfig
+++ b/openpower/configs/p10ebmc_defconfig
@@ -53,13 +53,13 @@
 BR2_RAINIER_2U_XML_CUSTOM_GIT=y
 # TODO: Update the level when the XML is synced to public
 BR2_RAINIER_2U_XML_CUSTOM_GIT_VALUE="git@github.com:open-power/rainier-xml.git"
-BR2_RAINIER_2U_XML_VERSION="20c2532a36a3bd30d664c5397a92273cf4c9fec7"
+BR2_RAINIER_2U_XML_VERSION="7040e1a546094a6adc305e6238f515e324abdba0"
 BR2_RAINIER_2U_XML_SYSTEM_FILENAME="Rainier-2U-MRW_hb.system.xml"
 BR2_RAINIER_2U_XML_TARGETING_FILENAME="Rainier-2U-MRW_hb.mrw.xml"
 BR2_RAINIER_4U_XML_CUSTOM_GIT=y
 # TODO: Update the level when the XML is synced to public
 BR2_RAINIER_4U_XML_CUSTOM_GIT_VALUE="git@github.com:open-power/rainier-xml.git"
-BR2_RAINIER_4U_XML_VERSION="20c2532a36a3bd30d664c5397a92273cf4c9fec7"
+BR2_RAINIER_4U_XML_VERSION="7040e1a546094a6adc305e6238f515e324abdba0"
 BR2_RAINIER_4U_XML_SYSTEM_FILENAME="Rainier-4U-MRW_hb.system.xml"
 BR2_RAINIER_4U_XML_TARGETING_FILENAME="Rainier-4U-MRW_hb.mrw.xml"
 BR2_PACKAGE_EVEREST_XML=y