delete pcifake, tsunamifake. Combine BadAddr/IsaFake into one

src/SConscript:
    remove pcifake and tsunami fake from sconscript
src/dev/isa_fake.cc:
src/dev/isa_fake.hh:
    combine badaddr and isa fake into one
src/python/m5/objects/Pci.py:
    remove pcifake
src/python/m5/objects/Tsunami.py:
    make badaddr derive from isafake

--HG--
extra : convert_revision : 91470db60aa1de6b85827304e27bd3414cc9d8d1

src/SConscript

@@ -227,7 +227,6 @@ full_system_sources = Split('''
 	dev/ns_gige.cc
 	dev/pciconfigall.cc
 	dev/pcidev.cc
-	dev/pcifake.cc
 	dev/pktfifo.cc
 	dev/platform.cc
         dev/simconsole.cc
@@ -235,7 +234,6 @@ full_system_sources = Split('''
 	dev/tsunami.cc
 	dev/tsunami_cchip.cc
 	dev/tsunami_io.cc
-	dev/tsunami_fake.cc
 	dev/tsunami_pchip.cc
 
 	dev/uart.cc