new Cirrus VGA BIOS from the LGPL'ed VGA BIOS project including VESA support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@974 c046a42c-6fe2-441c-8c8c-71466251a162

pc-bios/README

 - The PC BIOS comes from the Bochs project
   (http://bochs.sourceforge.net/). A patch from bios.diff was applied.
 
-- The VGA BIOS comes from the LGPL VGA bios project
-  (http://www.nongnu.org/vgabios/).
-
-- The Cirrus VGA BIOS comes from the LGPL VGA bios project with
-  patches from http://ebisa.hp.infoseek.co.jp/bochs/index.shtml.
-  
\ No newline at end of file
+- The VGA BIOS and the Cirrus VGA BIOS come from the LGPL VGA bios
+  project (http://www.nongnu.org/vgabios/).