ichspi: Drop `dev` parameter from init functions

It's never used and has no clear contract (e.g. will the pointer stay
valid beyond the call?).

Change-Id: I0d4e7cc731364e86eff214b9022b842a577f9ef4
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/19460
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
3 files changed