gpio: qcom: move pm8550 gpio to new driver

gpio: qcom: move pm8550 gpio to new driver

Move support of the pm8550 gpios to the newly introduced
driver and drop the compatible entry and the read-only quirk
at the same time from the old driver.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Rui Miguel Silva <rui.silva@linaro.org>
Acked-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250630-topic-sm8x50-pmic-gpio-pinctrl-new-v2-2-cc1512931197@linaro.org
Signed-off-by: Casey Connolly <casey.connolly@linaro.org>