Remove leftover AMD CIMX RD890 vendorcode

Change-Id: Ic7d80b25c0815f3816ae40646d024e0d9fe61f08
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/26506
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
66 files changed