fsp_model_406dx: use external microcode .h files for rangeley

The microcode for the Rangeley chip is supplied as .h files in the
Rangeley FSP POSTGOLD4 package.

When the rangeley microcode gets put into the blobs directory, this
can be reverted and the binary file put into the makefile.

Change-Id: I30e7436f26a247bc9431f249becfa5fe8c581be7
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12335
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
3 files changed