add global tag to EI_BUS_TX_MSBSWAP for serverwiz2 consumption

Change-Id: Ifa41b4bf20a1cf246364e14fc72f5f5d4c1147cb
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/46685
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Martin Gloff <mgloff@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

Author: Prachi Gupta

src/usr/targeting/common/xmltohb/hb_customized_attrs.xml

@@ -588,6 +588,11 @@
           <no_export/>
     </attribute>
 
+    <attribute>
+          <id>ATTR_EI_BUS_TX_MSBSWAP</id>
+          <global/>
+    </attribute>
+
     <attribute><id>ATTR_CEN_MSS_ALLOW_SINGLE_PORT</id><default>FALSE</default></attribute>
     <attribute><id>ATTR_CEN_VPD_DIMM_RCD_OUTPUT_TIMING</id><default>0x01,0x00,0x01,0x00</default></attribute>