arm64: dts: meson: sync dt and bindings from v5.7-rc1

Sync the device tree and dt-bindings from Linux v5.7-rc1 8f3d9f354286
("Linux 5.7-rc1").

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/arch/arm/dts/meson-gxl-s905x-p212.dtsi b/arch/arm/dts/meson-gxl-s905x-p212.dtsi
index 43eb7d1..6ac678f 100644
--- a/arch/arm/dts/meson-gxl-s905x-p212.dtsi
+++ b/arch/arm/dts/meson-gxl-s905x-p212.dtsi
@@ -15,7 +15,6 @@
 / {
 	aliases {
 		serial0 = &uart_AO;
-		serial1 = &uart_A;
 		ethernet0 = &ethmac;
 	};
 
@@ -180,6 +179,14 @@
 	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
 	pinctrl-names = "default";
 	uart-has-rtscts;
+
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
+		max-speed = <2000000>;
+		clocks = <&wifi32k>;
+		clock-names = "lpo";
+	};
 };
 
 &uart_AO {