Update OpenBIOS images

Update OpenBIOS images to SVN r1198 built from submodule.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

pc-bios/README

@@ -11,8 +11,8 @@
   firmware implementation. The goal is to implement a 100% IEEE
   1275-1994 (referred to as Open Firmware) compliant firmware.
   The included images for PowerPC (for 32 and 64 bit PPC CPUs),
-  Sparc32 and Sparc64 are built from OpenBIOS 1.1 release (SVN
-  revision 1136).
+  Sparc32 and Sparc64 are built from OpenBIOS SVN revision
+  1198.
 
 - SLOF (Slimline Open Firmware) is a free IEEE 1275 Open Firmware
   implementation for certain IBM POWER hardware.  The sources are at

roms/openbios

@@ -1 +1 @@
-Subproject commit 569e40c517e9623e672be38a21da7bcec046e3be
+Subproject commit 0f3d51ef22ec9166beb3ed434d253029ed7cfe84