ARM: dts: sun5i: Add broken-hpi property for Utoo-P66 eMMC

The eMMC on the A13 based Utoo-P66 tablet does not properly support hpi,
and trying to enable it results in the eMMC not working, so add a child-node
describing the eMMC, and set the broken-hpi property on it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun5i-a13-utoo-p66.dts

@@ -135,6 +135,12 @@ &mmc2 {
 	bus-width = <8>;
 	non-removable;
 	status = "okay";
+
+	mmccard: mmccard@0 {
+		reg = <0>;
+		compatible = "mmc-card";
+		broken-hpi;
+	};
 };
 
 &pio {