gpio: sloppy-logic-analyzer: Fully open-code compatible for grepping

It is very useful to find driver implementing compatibles with `git grep
compatible`, so driver should not use defines for that string, even if
this means string will be effectively duplicated.

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Reviewed-by: Wolfram Sang <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Bartosz Golaszewski <[e-mail]>

drivers/gpio/gpio-sloppy-logic-analyzer.c

···
 }
 
 static const struct of_device_id gpio_la_poll_of_match[] = {
-	{ .compatible = GPIO_LA_NAME },
+	{ .compatible = "gpio-sloppy-logic-analyzer" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, gpio_la_poll_of_match);