AGESA f15tn vendorcode: Split to Makefile.inc files

Change-Id: I2a6e53e5555a1b1e19c45a196b21f8505e275a76
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/21262
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
87 files changed