Clean up chiplet FIR register names for consistency

Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
Change-Id: I17712f9d8e202f83338a5f87af60a8f12f0e3791
diff --git a/xml/p10/node_cfir_n1_cs.xml b/xml/p10/node_cfir_n1_cs.xml
index 763fd79..bf7c764 100644
--- a/xml/p10/node_cfir_n1_cs.xml
+++ b/xml/p10/node_cfir_n1_cs.xml
@@ -1,16 +1,16 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <attn_node model_ec="P10_10,P10_20" name="CFIR_N1_CS" reg_type="SCOM">
-    <register name="CFIR_N1_XSTOP">
+    <register name="CFIR_N1_CS">
         <instance addr="0x03040000" reg_inst="0"/>
     </register>
-    <register name="CFIR_N1_XSTOP_MASK">
+    <register name="CFIR_N1_CS_MASK">
         <instance addr="0x03040040" reg_inst="0"/>
     </register>
     <rule attn_type="CS" node_inst="0">
         <expr type="and">
-            <expr type="reg" value1="CFIR_N1_XSTOP"/>
+            <expr type="reg" value1="CFIR_N1_CS"/>
             <expr type="not">
-                <expr type="reg" value1="CFIR_N1_XSTOP_MASK"/>
+                <expr type="reg" value1="CFIR_N1_CS_MASK"/>
             </expr>
             <expr type="int" value1="0x0FFFFFFFFFFFFFFF"/>
         </expr>