[POWERPC] Update defconfigs

Mostly took the defaults, except tried to get the netfilter options
more or less as they were before.

Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/configs/cell_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.20-rc1
-# Tue Dec 19 14:59:53 2006
+# Linux kernel version: 2.6.20-rc5
+# Mon Jan 22 22:12:56 2007
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -245,7 +245,6 @@ CONFIG_GENERIC_ISA_DMA=y
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
 CONFIG_PCIEPORTBUS=y
-# CONFIG_PCI_MULTITHREAD_PROBE is not set
 # CONFIG_PCI_DEBUG is not set
 
 #
@@ -854,7 +853,6 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
-CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_UNIX98_PTYS=y
 # CONFIG_LEGACY_PTYS is not set
 CONFIG_HVC_DRIVER=y