Add section IDs to rapidio.tmpl

  <chapter id="bugs">

     <title>Known Bugs and Limitations</title>

     <sect1>

     <sect1 id="known_bugs">

     	<title>Bugs</title>

	  <para>None. ;)</para>

     </sect1>

     <sect1>

     <sect1 id="Limitations">

     	<title>Limitations</title>

	  <para>

	    <orderedlist>

		on devices, request/map memory region resources,

		and manage mailboxes/doorbells.

	</para>

	<sect1>

	<sect1 id="Functions">

		<title>Functions</title>

!Iinclude/linux/rio_drv.h

!Edrivers/rapidio/rio-driver.c

     subsystem.

     </para>

     <sect1><title>Structures</title>

     <sect1 id="Structures"><title>Structures</title>

!Iinclude/linux/rio.h

     </sect1>

     <sect1><title>Enumeration and Discovery</title>

     <sect1 id="Enumeration_and_Discovery"><title>Enumeration and Discovery</title>

!Idrivers/rapidio/rio-scan.c

     </sect1>

     <sect1><title>Driver functionality</title>

     <sect1 id="Driver_functionality"><title>Driver functionality</title>

!Idrivers/rapidio/rio.c

!Idrivers/rapidio/rio-access.c

     </sect1>

     <sect1><title>Device model support</title>

     <sect1 id="Device_model_support"><title>Device model support</title>

!Idrivers/rapidio/rio-driver.c

     </sect1>

     <sect1><title>Sysfs support</title>

     <sect1 id="Sysfs_support"><title>Sysfs support</title>

!Idrivers/rapidio/rio-sysfs.c

     </sect1>

     <sect1><title>PPC32 support</title>

     <sect1 id="PPC32_support"><title>PPC32 support</title>

!Iarch/powerpc/kernel/rio.c

!Earch/powerpc/sysdev/fsl_rio.c

!Iarch/powerpc/sysdev/fsl_rio.c