spi: Add TODO comment about ACPI GPIO setup

spi: Add TODO comment about ACPI GPIO setup

Add a TODO comment that ideally the ACPI/gpiolib core code should take care
of setting GPIO direction and/or bias according to ACPI GPIO resources.

If this TODO gets implemented then the acpi_dev_gpio_irq_get() call in
acpi_register_spi_device() can be dropped.

Suggested-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <johannes.goede@oss.qualcomm.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20251109155340.26199-1-johannes.goede@oss.qualcomm.com
Signed-off-by: Mark Brown <broonie@kernel.org>