par_master: Fix propagation of register_par_master() return values

This patch checks return value of register_par_master()
so that in case of an error this error is not ignored anymore.

Tested: builds and ninja test

Change-Id: I377afae41708c7433a56615e2f096bce9c5349f1
Signed-off-by: Anastasia Klimchuk <aklm@chromium.org>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/57192
Original-Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Original-Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/72234
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
10 files changed