ARM64: dts: Fix GXBB periphs pinctrl pull-enable register base

The pull-enable register base was wrongly copied from the meson8b pinctrl node,
but was not used yet.

Fixes: c328666d ("ARM64: dts: amlogic: Add Meson GX dtsi from GXBB")
Signed-off-by: NNeil Armstrong <narmstrong@baylibre.com>
Reviewed-by: NJerome Brunet <jbrunet@baylibre.com>
Signed-off-by: NKevin Hilman <khilman@baylibre.com>

arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi

@@ -351,7 +351,7 @@
 		gpio: bank@4b0 {
 			reg = <0x0 0x004b0 0x0 0x28>,
 			      <0x0 0x004e8 0x0 0x14>,
-			      <0x0 0x00120 0x0 0x14>,
+			      <0x0 0x00520 0x0 0x14>,
 			      <0x0 0x00430 0x0 0x40>;
 			reg-names = "mux", "pull", "pull-enable", "gpio";
 			gpio-controller;