pseries: Update SLOF firmware image

This patch is a general update to the SLOF firmware image used on the
pseries machine.  This doesn't contain updates for specific features but
contains a number of bugfixes and enhancements in the main SLOF tree from
Thomas Huth.
Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>
Signed-off-by: NAlexander Graf <agraf@suse.de>

pc-bios/README

@@ -17,7 +17,7 @@
 - SLOF (Slimline Open Firmware) is a free IEEE 1275 Open Firmware
   implementation for certain IBM POWER hardware.  The sources are at
   https://github.com/dgibson/SLOF, and the image currently in qemu is
-  built from git tag qemu-slof-20110930.
+  built from git tag qemu-slof-20111013.
 
 - The PXE roms come from the iPXE project. Built with BANNER_TIME 0.
   Sources available at http://ipxe.org.  Vendor:Device ID -> ROM mapping:

SLOF @ 32e3430c

-Subproject commit b94bde008b0d49ec4bfe933e110d0952d032ac28
+Subproject commit 32e3430c018ceb8413cb808477449d1968c42497