Configurations for ATI video card BIOS emulator

This patch add definition of the BIOS emulator and the ATI framebuffer
driver for MPC8641HPCN board.

Signed-off-by: Jason Jin <Jason.jin@freescale.com>
Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
diff --git a/board/mpc8641hpcn/u-boot.lds b/board/mpc8641hpcn/u-boot.lds
index e4792ef..5864464 100644
--- a/board/mpc8641hpcn/u-boot.lds
+++ b/board/mpc8641hpcn/u-boot.lds
@@ -61,6 +61,7 @@
     lib_generic/crc32.o (.text)
     lib_ppc/extable.o (.text)
     lib_generic/zlib.o (.text)
+    drivers/bios_emulator/atibios.o (.text)
     *(.text)
     *(.fixup)
     *(.got1)