ARM: bcm2835: Add VC4 to the device tree.

VC4 is the GPU (display and 3D) present on the 283x.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>

arch/arm/boot/dts/bcm2835-rpi-b.dts

@@ -16,3 +16,7 @@
 &gpio {
 	pinctrl-0 = <&gpioout &alt0 &alt3>;
 };
+
+&hdmi {
+	hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
+};