input: goodix: Support output-only reset lines

[pelwell]

Although the motivation behind initialising the reset GPIO as an input is sound, it prevents the driver from being used with an output-only GPIO controller. Fall back to trying to create it as an output.

See: https://forums.raspberrypi.com/viewtopic.php?t=361103

[pelwell]

@Gadgetoid Does this help? Wait about 45 minutes for the builds to complete then run sudo rpi-update pulls/5777 to install a trial build.

[Gadgetoid]

Build failed with:

../drivers/input/touchscreen/goodix.c: In function ‘goodix_get_gpio_config’:
../drivers/input/touchscreen/goodix.c:1064:76: error: ‘GPIOD_OUT’ undeclared (first use in this function); did you mean ‘GPIOD_IN’?
 1064 |                 gpiod = devm_gpiod_get_optional(dev, GOODIX_GPIO_RST_NAME, GPIOD_OUT);
      |                                                                            ^~~~~~~~~
      |                                                                            GPIOD_IN
../drivers/input/touchscreen/goodix.c:1064:76: note: each undeclared identifier is reported only once for each function it appears in

[pelwell]

It should be good now - wait about half an hour for the build.

[pelwell]

Once you've confirmed this works I'll update the branch, remove the draft status and merge. There's no rush, though.