Coding style cleanup. Update CHANGELOG.

CHANGELOG

drivers/ati_ids.h

drivers/ati_radeon_fb.c

drivers/ati_radeon_fb.h

drivers/bios_emulator/atibios.c

drivers/bios_emulator/besys.c

drivers/bios_emulator/biosemu.c

drivers/bios_emulator/biosemui.h

drivers/bios_emulator/include/x86emu/debug.h

drivers/bios_emulator/include/x86emu/prim_ops.h

drivers/bios_emulator/include/x86emu/regs.h

drivers/bios_emulator/x86emu/decode.c

drivers/bios_emulator/x86emu/ops.c

drivers/bios_emulator/x86emu/ops2.c

drivers/bios_emulator/x86emu/prim_ops.c

include/radeon.h