realtek: Drop unused property on DGS-1210 gpio0

The 'indirect-access-id' property on gpio0 is a remnant from the
original GPIO driver. This property has not been relevant on the SoC's
embedded GPIO controller for a long time, so just drop it.

Signed-off-by: Sander Vanheule <[email protected]>
(cherry picked from commit 022b7d80bf9de326f02c625f2fdeb2fb9c9203a3)

target/linux/realtek/dts/rtl83xx_d-link_dgs-1210_common.dtsi

@@ -30,10 +30,6 @@
 	};
 };
 
-&gpio0 {
-	indirect-access-bus-id = <0>;
-};
-
 &spi0 {
 	status = "okay";
 	flash@0 {