Add Darwin userspace emulation to Changelog.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2333 c046a42c-6fe2-441c-8c8c-71466251a162

Changelog

@@ -9,6 +9,7 @@ version 0.8.3:
   - Moved PCI init, MP table init and ACPI table init to Bochs BIOS
   - Support for MIPS32 Release 2 instruction set (Thiemo Seufer)
   - MIPS Malta system emulation (Aurelien Jarno, Stefan Weil)
+  - Darwin userspace emulation (Pierre d'Herbemont)
 
 version 0.8.2: