Make intel blob locations configurable

They were hard-coded to be copied from 3rdparty/ which isn't always
the right choice.

Since the defaults stay the same, this should be compatible.

Change-Id: If2173bef86ad1fcf2335e13472ea8ca41eb41f3d
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Reviewed-on: http://review.coreboot.org/3453
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
diff --git a/src/southbridge/intel/bd82x6x/Makefile.inc b/src/southbridge/intel/bd82x6x/Makefile.inc
index 2e10e03..e277450 100644
--- a/src/southbridge/intel/bd82x6x/Makefile.inc
+++ b/src/southbridge/intel/bd82x6x/Makefile.inc
@@ -54,11 +54,11 @@
 
 bd82x6x_add_me: $(obj)/coreboot.pre $(IFDTOOL)
 	printf "    DD         Adding Intel Firmware Descriptor\n"
-	dd if=3rdparty/mainboard/$(MAINBOARDDIR)/descriptor.bin \
+	dd if=$(CONFIG_IFD_BIN_PATH) \
 		of=$(obj)/coreboot.pre conv=notrunc >/dev/null 2>&1
 	printf "    IFDTOOL    me.bin -> coreboot.pre\n"
 	$(objutil)/ifdtool/ifdtool \
-		-i ME:3rdparty/mainboard/$(MAINBOARDDIR)/me.bin \
+		-i ME:$(CONFIG_ME_BIN_PATH) \
 		$(obj)/coreboot.pre
 	mv $(obj)/coreboot.pre.new $(obj)/coreboot.pre
 ifeq ($(CONFIG_HAVE_GBE_BIN),y)