ARM: dts: meson8m2: Use the Meson8m2 specific USB2 PHY compatible

Use the Meson8m2 specific USB2 PHY compatible string. The 3.10 vendor
kernel has at least one known difference between Meson8 and Meson8m2:
Meson8m2 sets the ACA_ENABLE bit while Meson8 doesn't.

Signed-off-by: Martin Blumenstingl <[email protected]>
Signed-off-by: Kevin Hilman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: xdarklight

arch/arm/boot/dts/meson8m2.dtsi

@@ -64,6 +64,14 @@
 	compatible = "amlogic,meson8m2-saradc", "amlogic,meson-saradc";
 };
 
+&usb0_phy {
+	compatible = "amlogic,meson8m2-usb2-phy", "amlogic,meson-mx-usb2-phy";
+};
+
+&usb1_phy {
+	compatible = "amlogic,meson8m2-usb2-phy", "amlogic,meson-mx-usb2-phy";
+};
+
 &wdt {
 	compatible = "amlogic,meson8m2-wdt", "amlogic,meson8b-wdt";
 };