The name GENERIC_SPD_BIN doesn't reflect anymore what that config is
used for, so rename it to HAVE_SPD_BIN_IN_CBFS.
Change-Id: I4004c48da205949e05101039abd4cf32666787df
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45147
Reviewed-by: Felix Singer <felixsinger@posteo.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>