Install xml files so they can be used by cromo (chromeos modem manager)

introspection/mm-modem-cdma.xml

Index: introspection/mm-modem-cdma.xml
diff --git a/introspection/mm-modem-cdma.xml b/introspection/mm-modem-cdma.xml
index e224296f002ff6753b4d6747c3b609472783ce57..bf91c0c90c799b7d631bee95ce13e75ce31ae223 100644
--- a/introspection/mm-modem-cdma.xml
+++ b/introspection/mm-modem-cdma.xml
@@ -57,10 +57,10 @@
       <tp:docstring>Get device registration state.</tp:docstring>
       <annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
       <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_modem_cdma_get_registration_state"/>
-      <arg name="cdma-1x-state" type="u" direction="out" tp:type="MM_MODEM_CDMA_REGISTRATION_STATE">
+      <arg name="cdma_1x_state" type="u" direction="out" tp:type="MM_MODEM_CDMA_REGISTRATION_STATE">
         <tp:docstring>CDMA 1x registration state.</tp:docstring>
       </arg>
-      <arg name="evdo-state" type="u" direction="out" tp:type="MM_MODEM_CDMA_REGISTRATION_STATE">
+      <arg name="evdo_state" type="u" direction="out" tp:type="MM_MODEM_CDMA_REGISTRATION_STATE">
         <tp:docstring>EVDO registration state.</tp:docstring>
       </arg>
     </method>