Update OpenBIOS image to SVN revision 176. Changes:

r172: Enable boot mode in the exception handler for both SuperSparc and TurboSparc
r173: More CPU definitions
r174: Add Sparc64 CPU identification
r175: Add SPARCserver 600MP emulation
r176: Update OHW interface to version 3.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3649 c046a42c-6fe2-441c-8c8c-71466251a162

pc-bios/README

@@ -14,8 +14,8 @@
 - OpenBIOS (http://www.openbios.org/) is a free (GPL v2) portable
   firmware implementation. The goal is to implement a 100% IEEE
   1275-1994 (referred to as Open Firmware) compliant firmware.
-  The included Sparc32 image is built from SVN revision 171 and
-  Sparc64 image from revision 169.
+  The included Sparc32 and Sparc64 images are built from SVN
+  revision 176.
 
 - The PXE roms come from Rom-o-Matic etherboot 5.4.2.
   pcnet32:pcnet32 -- [0x1022,0x2000]