Deprecate the old spi_cs_control fields

[bbilas]

Introduction

Deprecate the old spi_cs_control fields such as gpio_dev, gpio_pin and gpio_dt_flags in favor of using gpio_dt_spec gpio member.

Proposed change

Deprecate the gpio_dev, gpio_pin and gpio_dt_flags members from spi_cs_control struct.

Proposed change (Detailed)

#39338

Dependencies

All in-tree drivers.

Concerns and Unresolved Questions

N/a

[bbilas]

@henrikbrixandersen Should this issue be still opened since #39338 is already merged?

[henrikbrixandersen]

@henrikbrixandersen Should this issue be still opened since #39338 is already merged?

No, it should be closed. Thanks.