soc/baytrail: Use microcode from the blobs repository

Remove the blobs from the coreboot tree and get them from
3rdparty.

Change-Id: I0798091530be9654d7e073839b4efeb3f9c0302c
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/9694
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/soc/intel/baytrail/microcode/microcode_blob.c

@@ -1,4 +1,3 @@
 unsigned microcode[] = {
-#include "M0C3067_0000031E.h"
-#include "M0C30678_00000816.h"
+#include "../../../../../3rdparty/soc/intel/baytrail/microcode_blob.h"
 };