update rbeacon manpage, rbeacon supporting Firebird will be included in the next release

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.7@14554 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-client/pods/man1/rbeacon.1.pod

@@ -5,13 +5,16 @@ B<rbeacon> - Turns beacon on/off/blink or gives status of a node or noderange.
 
 =head1 SYNOPSIS
 
+B<rbeacon> [B<-h>|B<--help>|B<-v>|B<--version>]
+
+=head2 BMC/MPA specific:
+
+B<rbeacon> I<noderange> {B<on>|B<off>}
+
+=head2 Blade specific:
+
 B<rbeacon> I<noderange> {B<on>|B<blink>|B<off>|B<stat>}
 
-B<rbeacon> [B<-h>|B<--help>]
-
-B<rbeacon> {B<-v>|B<--version>}
-
-
 =head1 DESCRIPTION
 
 B<rbeacon> Turns beacon (a light on the front of the physical server) on/off/blink or gives status of a node or noderange.