arm: dts: fix dts for rk3288-popmetal

We have so many evaluation boards.....

Change-Id: I1fec7821dc7b96a263fd07fb5b910f526f4d1389
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>

arch/arm/boot/dts/rk3288-popmetal.dts

@@ -170,6 +170,7 @@
 	vmmc-supply = <&vcc_sd>;
 	vqmmc-supply = <&vccio_sd>;
 	status = "okay";
+	supports-sd;
 };
 
 &gmac {
@@ -188,6 +189,11 @@
 	status = "ok";
 };
 
+&gpu {
+	mali-supply = <&vdd_gpu>;
+	status = "okay";
+};
+
 &hdmi {
 	ddc-i2c-bus = <&i2c5>;
 	status = "okay";
@@ -540,3 +546,16 @@
 &usbphy {
 	status = "okay";
 };
+
+&usb_host0_ehci {
+	no-relinquish-port;
+	status = "okay";
+};
+
+&usb_host1 {
+	status = "okay";
+};
+
+&usb_otg {
+	status= "okay";
+};