Add 30 more slaves into 'LTO Linux Perf' buildbot.

masters/master.chromium.fyi/slaves.cfg

 # -*- python -*-
 # ex: set syntax=python:
 
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # See master.experimental/slaves.cfg for documentation.
 
 
@@ skipping 593 matching lines @@
     'hostname': 'slave59-c1',
     'os': 'linux',
     'version': 'trusty',
     'bits': '64',
   },
   {
     'master': 'ChromiumFYI',
     'builder': [
       'CFI Linux CF',
       'LTO Linux',
-      'LTO Linux Perf',
     ],
     'hostname': 'slave33-c1',
     'os': 'linux',
     'version': 'trusty',
     'bits': '64',
   },
   {
     'master': 'ChromiumFYI',
     'builder': 'Win 10 Fast Ring',
     'hostname': 'vm17-m1',
@@ skipping 54 matching lines @@
   },
   {
     'master': 'ChromiumFYI',
     'builder': 'Linux Kitchen (annotated_run)',
     'hostname': 'slave74-c1',
     'os': 'linux',
     'version': 'precise',
     'bits': '64',
   },
 ]
+
+for slave in range(78, 108):
+  slaves.append({
+    'master': 'ChromiumFYI',
+    'builder': 'LTO Linux Perf',
+    'hostname': 'slave%d-c1' % slave,
+    'os': 'linux',
+    'version': 'trusty',
+    'bits': '64',
+  })