Add support for SBC8641D. Config files.

Add support for Wind River's SBC8641D reference board.

Signed-off by: Joe Hamman <joe.hamman@embeddedspecialties.com>
Acked-by: Wolfgang Denk <wd@denx.de>
Acked-by: Jon Loeliger <jdl@freescale.com>
diff --git a/Makefile b/Makefile
index 2a18a4d..4b60736 100644
--- a/Makefile
+++ b/Makefile
@@ -1866,6 +1866,8 @@
 MPC8641HPCN_config:    unconfig
 	@$(MKCONFIG) $(@:_config=) ppc mpc86xx mpc8641hpcn
 
+sbc8641d_config:	unconfig
+	@./mkconfig $(@:_config=) ppc mpc86xx sbc8641d
 
 #########################################################################
 ## 74xx/7xx Systems